PLX

COST EFFECTIVE AND RELIABLE

AVAILABLE COLORS

BigRep's PLX filament is optimized for large-format 3D printers and consistently delivers high-quality parts at an attractive price. Particularly easy to print, PLX achieves beautiful print surfaces on even the most demanding geometries.

PLX is incredibly versatile, allowing printer settings to be tuned for either higher speeds or beautifully smooth surface finishes. PLX delivers consistent results that make it a reliable material for large-format printing in any industry. Given its balanced performance under various mechanical stresses, PLX is a great all-around filament choice.

As a PLA-based material derived from organic compounds, PLX is biodegradable under the correct conditions. CO2 neutral and environmentally friendly, it has a much lower ecological impact than other plastics derived from fossil fuels.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Easy to Print for
Wide Range of Uses

More Affordable for
Cost Savings

Highly Consistent
Print Results

Beautiful Surface
Quality

Reduced
Environmental Impact

What is PLX 3D Printing Filament?

PLX is a PLA-based filament that combines the benefits of PLA—such as easy printability—with enhanced properties. Specifically, PLX has been engineered by BigRep to deliver superior strength and performance compared to PLA, and can be printed up to 80% faster. Like BigRep PLA, PLX is derived from organic compounds and is biodegradable when disposed of in the right conditions.

BigRep has fine-tuned PLX filament for its large-format 3D printing platforms, ensuring that no matter the scale of a part, the filament will maintain good printability, adhesion, and surface quality. The filament is also compatible with other FFF platforms. In general, PLX is considered an affordable, versatile material that brings consistency and high print quality to the table.

Why Use BigRep PLX Filament?

Users looking for a material that combines the printability of PLA with mechanical properties that rival (and can even exceed) ABS should consider BigRep PLX. The general use filament is well suited to many types of application, from design models and functional prototypes, to tooling, to aesthetic end-use parts.

Engineered for printing speeds of up to 120 mm/s, PLX unlocks faster print times, which can accelerate product development timelines significantly. The material can also be printed at lower print speeds to achieve excellent print surface quality, even for fine details. The material thus has many possible uses, and—thanks to its affordable price point—is accessible to a wide range of different adopters, from hobbyists to industrial users.

PROTOTYPES

CNE Engineering 3D-Printed Mold for Urethane Casting

MOLDING

EXHIBITIONS

TOOLING

Benefits of 3D Printing BigRep PLX

As we’ve seen, one of the primary benefits of BigRep PLX is its print speed. The material can be processed at speeds up to 80% faster than classic PLA, which offers big advantages to those working with tight schedules and turnaround times. But print speed is only part of the equation: with the right print settings, PLX prints can also achieve exceptional surface finishes.

On top of that, PLX is known for being user friendly. Similar to PLA, the material does not require extreme print temperatures, it demonstrates good bed adhesion, and is resistant to warping. Users have also noted that support removal (either soluble BVOH or breakaway supports) for PLX prints is painless. Another big benefit of working with PLX is that the material is manufactured from renewable resources and can be biodegraded. This gives the filament a distinct environmental advantage compared to plastics derived from non-renewable resources like petroleum.

In order to unlock the most benefits from BigRep PLX filament and maximize the material’s properties, it’s important to use the right combination of print settings.

RECOMMENDED PRINT SETTINGS

Nozzle temperature: 190 - 220 °C
Print Bed Temperature: 50 - 70 °C
Chamber Temperature: n/a
Print Speed: 40-120 mm/s

Mechanical Properties

PLX filament has a slightly lower tensile strength than BigRep PLA (48 MPa vs 60 MPa), however the material makes up for that with significantly higher ductility. Whereas BigRep PLA has only 4% elongation at break, PLX has an elongation at break of 20%. PLX also has superior flexural strength and impact strength than PLA.

Thermal Properties

When it comes to thermal properties, PLX has a slight edge over PLA. While PLA has a heat deflection temperature of up to 60 °C, PLX boasts a glass transition temperature of 63 °C and HDT of up to 68 °C. This approaches that of BigRep PETG (70 °C) , though is still substantially lower than ABS (91 °C).

Chemical Properties

As a polylactic acid blend, PLX has similar chemical properties to its sister filament PLA. In general, these filaments are not known for their resistance to chemicals, including common post-processing solvents like acetone, as well as acids, and alcohols. It’s also worth remembering that PLX can degrade when exposed to UV rays.

What to Look Out for When 3D Printing BigRep PLX

In general, there aren’t many caveats when 3D printing BigRep PLX. The material is easy to use, works with a wide range of FFF 3D printers, and delivers good print results, even at fast print speeds.

One factor that bears keeping in mind, however, is heat resistance. Like PLA, PLX is not a high-temperature filament. On the one hand, this is a good thing: the material can print at relatively low temperatures and does not require an enclosed build environment. On the other hand, with a heat deflection temperature (HDT) of 68 °C, PLX is not particularly well suited to applications that are exposed to extreme temperatures. The filament is also not UV resistant, which limits outdoor applications.

Best Practices for Storing and Handling BigRep PLX

When 3D printing PLX, proper storage and handling are critical to unlocking the best print results. Fortunately for users, the filament is relatively low maintenance, needing simply to be stored in a dry, room-temperature environment away from the sun. While not the most prone to moisture absorption, PLX is still considered slightly hygroscopic, hence the dry environment.

If a spool of PLX is exposed to humidity, it is possible to dry it out before printing. BigRep recommends baking the filament at no more than 50 °C for 4 to 6 hours. For industrial users, the BigRep SHIELD, a filament dry cabinet capable of storing up to 60 kg of filament spools, can extend the shelf life and quality of PLX filament.

It is also important to maintain good ventilation when using PLX (and any other filament) to disperse fumes and vapors generated in the extrusion process. Finally, BigRep recommends wearing personal protective equipment, like gloves, a mask, and eyewear, while post-processing PLX prints.

Use Cases: See How Customers Use BigRep PLX

Fast-printing PLX filament is a good candidate for many of the same applications as PLA, such as prototypes and large-scale models with excellent aesthetic quality. The material also has viability for a number of industrial applications, including tooling for aircraft maintenance parts. Let’s take a closer look.

In 2020, Norwegian firm CNE Engineering worked with Scandinavian Airlines (SAS) to rapidly develop engine exhaust covers for the increased number of grounded planes during the early days of the Covid-19 pandemic. These covers were necessary to protect the unused aircraft engines from the harsh Scandinavian winter as well as other debris and moisture. However, they also had to be easy to remove, since the engines required regular operation and testing while grounded.

SAS did not have enough off-the-shelf engine covers or other required equipment on hand, so it recruited CNE Engineering to develop a solution that would both protect the engines and circumvent the supply chain issues that arose in the pandemic. The result was a large-scale urethane exhaust cover that was cast using a 3D-printed mold.

The mold itself had to withstand the urethane casting process, which led the CNE Engineering team to use a combination of BigRep PLX and HI-TEMP CF filaments. BigRep PLX was used for the top and bottom part of the tool (printed on the BigRep ONE), while the center core was made from HI-TEMP CF. PLX offered fast production speeds for the large tooling and the necessary strength and resistance. HI-TEMP CF, for its part, offered enhanced thermal resistance and durability for the casting process. In the end, the 3D printed tool enabled the rapid production of many exhaust covers, which saved SAS significant assembly and disassembly time for its aircraft engine maintenance. The use of BigRep 3D printing also allowed for a rapid turnaround: CNE Engineering delivered SAS’s first order within just two months of being approached.

Physical properties:

Material:	Polylactic Acid Blend
Filament Sizes:	2.5, 4.5 and 8.0 kg
Diameter:	2.85 mm
Density:	1.25 g/cm³
Flexural Modulus (ISO 178):	2800 MPa
Tensile Strength (ISO 527):	48 MPa
Breaking Stress (ISO 527):	3000 MPa
Hardness (Shore):	D 70

Recommended printing conditions:

Nozzle Temperature:	210 - 220 °C
Print Bed Temperature:	60 °C
Printing Speed:	40 - 120 mm/s

Specifications Safety Sheet

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BVOH

WATER-SOLUBLE SUPPORT

AVAILABLE COLORS

BigRep's BVOH support material is a water-soluble filament that drastically reduces post-processing for 3D-printed parts. Created for use with dual-extruder printers, BigRep BVOH is compatible with a wide range of materials to provide efficient support during the printing process. BVOH is ideal when 3D printing complex geometries where breakaway support be difficult to remove or impossible to access after printing. When the surface appearance of your part is paramount, BigRep BVOH results in better surface quality with less post-processing effort.

BVOH easily dissolves in water, cleanly freeing parts from support structures without manual post-processing. While the dissolving time depends on part geometry and slicing settings, BVOH’s solubility increases with higher water
temperature and delivers faster results.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Water Soluble for
Easy Removal

Saves Time
Post-Processing

Nontoxic and
Odorless

Excellent Support
Adhesion

Compatible with Many BigRep Materials

What is BVOH 3D Printing Filament?

BVOH (Butenediol vinyl alcohol co-polymer) is a water-soluble support material. That means it is designed to print temporary support structures that can be dissolved in tap water — cold or warm.

Many 3D printer users prefer water-soluble supports because removal is faster, easier, and doesn’t leave unsightly marks. Supports printed in an insoluble material typically have to be removed with a knife, which creates a surface blemish.

Overall, BVOH behaves a lot like PVA, another common support material. However, BVOH offers superior adhesion to build materials like ABS and is less likely to cause nozzle clogs. It also dissolves at a faster rate, making the support removal process as short as possible.

Why Use BigRep BVOH Filament?

BigRep BVOH filament is compatible with all BigRep large-scale 3D printers (and other open-material FFF printers with dual extruders). By 3D printing support structures in BVOH, the support removal process is drastically shortened.

Although BVOH works best with PLA — it has similar temperature requirements and good natural adhesion to it — it is compatible with all BigRep filaments. By contrast, some water-soluble materials on the market are not compatible with certain build materials such as ABS. Naturally, BigRep BVOH is especially practical for large-format 3D printing, as it is available in very large spools: available sizes include 0.75 kg, 2.5 kg, and 4.5 kg (8 kg upon request).

Users of BigRep’s industrial 3D printers will find it easy to incorporate BVOH into their workflow. This is because BigRep has developed a preconfigured BVOH print profile for its BLADE slicing software.

SFM 3D-Printed Helicopter Blade Restraint Cradle Made with the BigRep PRO

End Use Parts

Factory Tooling

COMPLEX MOLDING

The white material is BigRep's BVOH filament, a water soluble support for easy removal.

Functional Prototypes

Benefits of 3D Printing BigRep BVOH

There are several benefits to 3D printing BigRep BVOH over other water-soluble support materials like PVA. These include superior adhesion to build materials — even tricky materials like ABS — and ultra-short dissolving times. The fastest speeds can be achieved with warm water, but cold water also works.

So, what makes BigRep BVOH stand out over other BVOH filaments on the market? In addition to the range of spool sizes, BigRep BVOH has been optimized for improved melt flow to prevent clogging and has a slightly lower print temperature than some comparable products.

Unique advantages of BigRep BVOH:

Improved melt flow to prevent clogging
Adequate tensile strength (34 MPa) to support large prints
Wide material and machine compatibility
Available in large spool sizes: 0.75 kg, 2.5 kg, and 4.5 kg (8 kg upon request)

Recommended print settings

Nozzle temperature: 190 - 210 °C
Print Bed Temperature: >60 °C
Chamber Temperature: n/a
Print Speed: >30 mm/s

Material Properties

BigRep BVOH filament has a low melting temperature of 175 °C. This makes it easy to print: the required nozzle temperature is 190–210 °C, with a bed temperature of 60 °C. These print settings are similar to those for PLA.

Since the purpose of support material is to hold up heavy structures, it also needs to be strong. BigRep BVOH has a fairly high tensile strength of 34 MPa, which is slightly higher than ABS.

The most important property of BVOH is its solubility in water. Support structures can be washed away in cool or warm water, although warm water helps speed up the process. However, keep in mind that the material’s solubility can make it vulnerable to humidity.

What to Look Out for When 3D Printing BigRep BVOH

Newcomers to dual extrusion additive manufacturing may encounter some challenges when 3D printing BVOH. Although the material prints well at moderate temperatures, it has some quirks that require care and attention.

The most common issue with any water-soluble support material is nozzle clogging. And while BigRep has developed a highly clog-resistant BVOH formulation, users should still take steps to minimize clogging by performing regular nozzle cleaning. One option is to perform a cold pull with a dedicated cleaning filament; another is to use a long needle to manually clear out debris.

Finally, users of standard and professional 3D printers may find that BigRep BVOH adheres better to the build surface with the help of an adhesive coating like Magigoo glue stick.

Best Practices for Storing and Handling BigRep BVOH

Like other soluble support materials, BigRep BVOH is highly hygroscopic. This means it absorbs moisture easily, which can become an issue in humid environments.

Because of its hygroscopic nature, BVOH should always be stored in dry conditions at a temperature of 15–25 °C. With a humidity of just 0.01%, the BigRep SHIELD filament dry cabinet is an ideal form of storage, holding up to 60 kg of filament. For non-industrial users, a sealed container with a desiccant should be the bare minimum.

Drying out BVOH filament before use can also lead to better printing results and prolonged printer life. BigRep recommends drying the filament at 60 °C in a hot air dryer or vacuum oven for four to 16 hours.

Use Cases: See How Customers Use BigRep BVOH

BigRep BVOH filament can be used for any build that requires support structures. Suitable parts include those with overhanging areas that cannot support themselves.

Water-soluble support material like BVOH is especially useful for parts that have internal or otherwise inaccessible overhangs. This is because cavities in the part can be easily filled with water to remove soluble internal supports. Conversely, it is not always possible to reach into a cavity to remove insoluble supports with a knife.

AVI Boston seamlessly weaves technology into crafting personalized and bespoke automotive parts like dashboards, radar installations, door panels, and beyond.

What puts them ahead of the curve is their expertise in integrating cutting-edge audio and visual systems, elevating both the car’s aesthetics and functionality. Their innovative approach is amplified by their use of 3D printing to manufacture end-use parts with BigRep’s STUDIO 3D printer to bring their concepts to life.

Many of these complex parts would be impossible to produce without BigRep's water-soluble BVOH support filament. Owner of AVI Boston, Safi Barqawi, says “We’ve been designing these parts in-house and building clean structures for such intricate pieces. We would never be able to do that by hand. Getting down to that small of a detail is really hard.”

Physical properties:

Material:	Butenediol vinyl alcohol copolymer
Filament Sizes:	750g, 2.5 and 4.5kg (8.0 kg on request
Diameter:	2.85 mm
Density:	1.14 g/cm³
Flexural Modulus (ISO 178):	2200 MPa
Tensile Strength (ISO 527):	34 MPa
Young's Modulus (ISO 527):	78 MPa
Vicat Softening Temp (ISO 306):	≺60 °C

Recommended printing conditions:

Nozzle Temperature:	190 °C
Print Bed Temperature:	60 °C
Environmental Temperature:	n.a.
Printing Speed:	>30 mm/s

Additional comment: Material is sensitive to moisture and should be stored in dry conditions at all times.

Specifications Safety Sheet

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Hi-Temp

HI-TEMP

STIFF AND ECO-FRIENDLY

AVAILABLE COLORS

Especially stiff with minimal warping, BigRep’s HI-TEMP filament produces rigid, highly accurate parts with an attractive matte surface finish. HI-TEMP is the choice for functional prototyping and end-use parts intended for indoor use, particularly low-volume production or custom tooling and manufacturing aids.

Optimized for large-format printers like the BigRep ONE, HI-TEMP also delivers great results on a wide range of third-party FFF 3D printers. HI-TEMP is a thermoplastic derived from organic compounds and is biodegradable under the correct conditions. It is CO2 neutral and environmentally friendly with a much lower ecological impact than other thermoplastics derived from fossil fuels, such as ABS. BigRep HI-TEMP filament is FDA-compliant for food safety and meets all requirements of EU Directives on food contact.

MADE FOR

PRO PRO
PRO PRO
STUDIO

CO2 Neutral and
Eco-Friendly

FDA and EU Certified
Food Safe

Stiff and Rigid
Parts

Minimal Shrinkage
for Part Accuracy

Great Surface
Quality and Haptics

What is HI-TEMP 3D Printing Filament?

BigRep HI-TEMP is a versatile biopolymer filament that delivers on printability, stiffness, and temperature resistance. The material, which has received all-around excellent reviews by users, was developed for BigRep’s large-format systems, such as the BigRep ONE, but prints equally well on standard desktop machines.

As we’ll see in more detail, BigRep HI-TEMP meets the requirements of many types of applications Thanks to its good mechanical and thermal properties. All in all, users seeking a material that offers good heat resistance, while being easier to print than popular high-temperature filaments like ABS (as well as more ecological), should consider BigRep HI-TEMP.

Why Use BigRep HI-TEMP Filament?

Parts printed using BigRep HI-TEMP demonstrate high stiffness, excellent surface quality, and heat resistance up to 160 °C. These properties make the filament an excellent candidate for several different applications, including functional prototyping, jigs and fixtures, and low-volume end-use parts.

BigRep highlights a couple of specific use cases that can benefit from its HI-TEMP material, including electrical casings, and products intended for indoor use, like components for household appliances. HI-TEMP is also compliant with FDA food safety standards and EU directives for food contact, which creates even more potential applications for kitchen appliances and household goods.

Automotive Customization with 3D Printing

End Use Parts

Factory Tooling

Close up of production process at modern food factory, focus on macaroni bag ready for packaging sliding down assembly line, copy space

FOOD-SAFE PRODUCTS

Functional Prototypes

Benefits of 3D Printing BigRep HI-TEMP

When it comes to 3D printing BigRep HI-TEMP, the material has many benefits. For one, the material overcomes many of the challenges associated with printing other stiff, temperature-resistant materials, such as warping and peeling. In addition to minimal warping, HI-TEMP can be printed in an open, low temperature environment, offering excellent adhesion and dimensional stability without an enclosed build chamber.

A low-maintenance material, BigRep HI-TEMP is also known for its excellent surface finish. The filament’s matte appearance minimizes layer lines and results in a smooth finish that requires minimal—if any—post-processing. This is true for both small and large-scale components. It’s also worth re-emphasizing that HI-TEMP is a biopolymer, meaning it is biodegradable in the right conditions. This is a particular benefit when compared to fossil-fuel-derived filaments like ABS.

Recommended print settings

Nozzle temperature: 190 - 230 °C
Print Bed Temperature: 50 - 70 °C
Chamber Temperature: n/a
Print Speed: >40 mm/s

Mechanical Properties

With a tensile strength of 61 MPa, HI-TEMP filament offers excellent stiffness and rigidity, particularly when measured against ABS (30 MPa). And while comparable to PLA on the strength front, HI-TEMP far exceeds the brittle filament in terms of unnotched impact strength (45 kJ/m² vs 7.5 kJ/m²).

Thermal Properties

HI-TEMP is perhaps most notable for its thermal properties. While the material can be processed using standard 3D printing hardware and relatively low temperatures, it can withstand temperatures up to 160 °C. Technically speaking, the material has a Vicat softening temperature of 158 °C and a heat deflection temperature of 58 °C. For applications where even greater heat resistance is required, HI-TEMP CF has an HDT up to 115 °C.

Chemical Properties

The biopolymer HI-TEMP is based on is chemically stable, offering some resistance to UV exposure and weak acids. The material is, however, primarily recommended for indoor use. HI-TEMP is also non-toxic and is suitable for food contact applications.

What to Look Out for When 3D Printing BigRep HI-TEMP

Overall, BigRep HI-TEMP is a filament that offers many pros and few cons. As we’ve seen, the material is easy to print, while still offering high stiffness and temperature resistance up to 160 °C. On top of that, it has an excellent matte aesthetic quality.

Unlike its fiber-filled counterpart, HI-TEMP CF, HI-TEMP does not require any specialized printing equipment, printing well with standard nozzles at around 195 °C. While the material does offer good adhesion on its own, you can still benefit from the use of a bed adhesive, like Kapton tape or Magigoo glue. BigRep’s flexible SWITCHPLATE can be used to facilitate part removal post-printing.

Best Practices for Storing and Handling BigRep HI-TEMP

When using any filament, it’s important that users adhere to the proper storage and handling requirements. By storing HI-TEMP spools out of the sun in a dry, room temperature environment, users can ensure the material’s quality will be maintained for up to 24 months.

BigRep HI-TEMP is considered hygroscopic, meaning the plastic absorbs moisture from the air around it. This moisture can diminish the integrity of the filament, leading to issues like stringing and blobbing when extruded. You can avoid exposure to humidity and wetness by storing the filament in a dry box or the BigRep SHIELD, which can hold up to 60 kg of filament. In a pinch, you can also dry the filament before using it. BigRep recommends drying HI-TEMP for 4-6 hours at 50 °C.

In terms of handling, users of HI-TEMP should follow standard 3D printing protocols, such as printing in a well-ventilated space, avoiding contact with the melted filament, and wearing proper personal protective equipment (PPE) while post-processing parts.

Use Cases: See How Customers Use BigRep HI-TEMP

Sky’s the limit when it comes to BigRep HI-TEMP applications. After all, who wouldn’t benefit from the material’s easy printability, high accuracy, aesthetic quality, and temperature resistance? Among the most common uses for HI-TEMP filament today are industrial prototypes, jigs and fixtures, and end-use parts like homeware appliance components, electrical enclosures, and aesthetic models.

Optimized for BigRep’s large-format printers, including the BigRep ONE, the material can print large-scale components, like customized production aids. In this context, manufacturers can benefit from being able to design and iterate one-of-a-kind jigs or assembly fixtures in-house, reducing lead times by up to 90% and quickly getting production workflows up and running. By turning to 3D printed tooling and strong, temperature resistant materials like HI-TEMP, manufacturers can also seek to reduce production costs by as much as 94%. HI-TEMP also has another important benefit for tooling applications: because the material is resistant to warping and shrinkage, and has a smooth surface finish, printed parts require minimal post-processing before implementation on the production line.

Walter Automobiltechnik (WAT), a Berlin-based automotive manufacturer specializing in the production of vehicle frames, is dramatically improving workflows in their facilities with custom 3D printed tools. The production tools, created with WAT’s BigRep ONE industrial 3D printer using BigRep HI-TEMP, are implemented into quality assurance workflows, reducing time spent on control lines with simple jigs to help semi-automate quality assurance checks. The control systems have cut workflows in half, freeing employee time and reducing order fulfillment time.

Physical properties:

Material:	BioPolymer
Filament Sizes:	2.5, 4.5 and 8.0 kg
Diameter:	2.85 mm
Density:	1.4 g/cm³
Tensile Strength (ISO 527):	50 MPa
Young's Modulus (ISO 527):	4400 MPa
Breaking Stress (ISO 178):	50 MPa
Vicat Softening Temp (ISO 306):	158 °C
HDT/B (ISO 75):	58 °C
Hardness (Shore)::	D 80

Recommended printing conditions:

Nozzle Temperature:	190 - 230 °C
Print Bed Temperature:	50 - 70 °C
Environmental Temperature	n.s. °C
Printing Speed	>40 mm

Additional comment: Material is sensitive to moisture and should be stored in dry conditions at all times.

Specifications Safety Sheet

BUY BIGREP HI-TEMP

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PRO-HT

PRO HT

EASY PRINTING AND SUPPORT REMOVAL

AVAILABLE COLORS

Incredibly easy to print and producing consistently beautiful results, BigRep’sPRO HT is one of our best-selling filaments for good reason! With an attractive matte surface finish, PRO HT is formulated for effortless breakaway support removal, leaving minimal artifacts to the adjacent print surface.

Displaying good performance under a range of mechanical stresses, BigRep PRO HT is a well-rounded filament choice for many different applications. Its balanced performance and reasonable price make PRO HT a great all-around material, perfect for prototypes and some end-use parts such as custom auto interiors.

BigRep PRO HT is a biopolymer with reduced environmental impact, especially compared to filaments derived from fossil fuels. It is FDA compliant for food safety and meets all requirements of EU Directives on food contact.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Easy to Print for
Wide Range of Uses

Effortless Breakaway Support Removal

FDA and EU Certified
Food Safe

Reduced
Environmental Impact

Attractive Matte
Surface Finish

What is PRO HT 3D Printing Filament?

One of BigRep’s best selling filaments, PRO HT is a user-friendly filament that delivers on all fronts. PRO HT offers the best of PLA and ABS: the filament is easy to print and resistant to warping, while also offering exceptional temperature resistance of up to 115°C. On top of that, the filament is a biopolymer, meaning it is derived from renewable sources, and can biodegrade in the right circumstances.

As we’ll see in more detail, PRO HT is a filament with well-rounded properties, offering strength, a good quality finish, and heat and chemical resistance. Thanks to this combination of characteristics, PRO HT has broad potential for many applications, from prototypes to outdoor components, functional parts, wearables, and more.

Why Use BigRep PRO HT Filament?

It’s no surprise that BigRep PRO HT has been adopted for many applications across a range of industries. The robust yet easy-to-print filament has been successfully used as a PLA and ABS alternative in the production of industrial-grade prototypes and end-use parts that require a good finish and weather resistance, such as wearables. Unlike PLA, which has limited viability for outdoor applications, PRO HT has excellent UV and heat resistance. Additionally, PRO HT is FDA compliant for food safety and meets EU Directives on food contact, which opens up possibilities for printing homeware and other products that come in contact with food.

BigRep PRO HT is also optimized for a range of printing scales. The filament performs well on desktop machines as well as large-format systems, like the BigRep ONE and BigRep PRO. The filament is therefore an ideal choice for printing both small and large structures for technical industries, such as automotive. For example, the warp-resistant filament has successfully been used in the development and production of custom automotive interior structures. We’ll dive into this use case in more detail below.

DESIGN PROTOTYPES

CREATIVE EXHIBITIONS

JK Automotive Designs uses BigRep to create custom 3D printed dashboards and panels.

CUSTOM CAR INTERIORS

Functional Prototypes

Benefits of 3D Printing BigRep PRO HT

When 3D printing BigRep PRO HT, users will find they are working with an easy going filament. The biopolymer does not require any special settings or hardware, including an enclosed chamber or high-temp 3D printer, and has a smooth, matte surface finish. PRO HT is also formulated for easy post-processing: breakaway supports come off easily with minimal traces left on the part surface finish. (PRO HT is also compatible with BigRep BVOH water-soluble supports.)

Another key benefit of PRO HT is that the material is more sustainable than ABS and other high-temperature petroleum-based plastics. The material is made from a biopolymer sourced from renewable resources and can be biodegraded under the right conditions.

Recommended print settings

Nozzle temperature: 195 - 205 °C
Print Bed Temperature: 55 - 60 °C
Chamber Temperature: n/a
Print Speed: >40 mm/s

Mechanical Properties

While PLA maintains a slightly superior tensile strength than Pro HT (60 MPa vs 45 MPa), Pro HT offers more balanced mechanical properties. In other words, where PLA is very strong but brittle, Pro HT is more flexible and impact resistant, with an elongation at break of 13% and unnotched impact strength of 40 kJ/m².

Thermal Properties

Where Pro HT really stands out from PLA is in its heat resistance. The filament has a comparable heat deflection temperature to PLA—meaning they both start to deform under loads when heated to around 54-60°C. However, where PLA starts to soften when exposed to moderate heat (around 60 °C), Pro HT has a far superior softening temperature of 116 °C.

Chemical Properties

Another key advantage of Pro HT compared to standard PLA is the material’s chemical resistance. Pro HT has been engineered for UV resistance, making it viable for outdoor use without degradation.

What to Look Out for When 3D Printing BigRep PRO HT

BigRep Pro HT is a well-rounded filament with few, if any, pitfalls. In terms of printing, the material does not require any special settings and is resistant to shrinkage and warping, even without an enclosed print chamber. As we covered, post-printing the material is seamless thanks to easy breakaway supports. All in all, the filament overcomes many of the challenges associated with standard PLA, like poor heat resistance and UV resistance, while maintaining easy printability.

Best Practices for Storing and Handling BigRep PRO HT

BigRep Pro HT is a non-toxic material that requires standard filament storage and handling. This includes storing filament spools in a dry environment, away from extreme temperatures and sunlight. The BigRep SHIELD, an industrial storage box for filament spools can keep the material protected from all these elements. Should a spool of Pro HT be exposed to moisture, simply dry out the filament for between 4 to 6 hours at 50 °C.

In terms of handling, normal precautions should be taken when 3D printing Pro HT. Ensure there is proper ventilation in the 3D printing environment, including a local exhaust where multiple printers are in use.

Use Cases: See How Customers Use BigRep PRO HT

The application possibilities for BigRep Pro HT are limitless. Users can readily design and print high-quality prototypes, as well as functional parts for outdoor use, wearable devices, homewares, and more. We want to highlight the following case study, from BigRep client JK Automotive Designs, which exemplifies the material’s potential for large-scale production applications.

Based in Massachusetts, JK Automotive Designs specializes in designing and manufacturing custom interiors for cars, including dashboards, consoles, and door panels integrated with audio and visual systems. Over the years, the BigRep STUDIO G2 has proven to be a huge asset to the company, enabling it to print large-scale panels and frames for these custom designs. Pro HT has also become indispensable to the company’s operations, offering good printability, strength, and temperature resistance.

When the company was designing a full interior for a 33 Ford Roadster, it turned to BigRep 3D printing and Pro HT filament to create a custom door panel. In the design process, the JK Automotive Designs team 3D scanned the original door frame, reverse engineered it, and applied the customizations in CAD software. The large door panel was then 3D printed using Pro HT on the BigRep STUDIO G2. In the end, the printing process took just 56 hours and the printed door panel cost $896. Had they used CNC machining for the large component, it would have taken at least double the time to produce, and cost upwards of $3,000. Post-printing, the part was fitted onto a machined panel and finished before JK Automotive Designs integrated a 3D printed armrest and custom electronics.

Physical Properties:

Material:	BioPolymer
Density:	1.3 g/cm³
Filament Diameter:	2.85 mm
Color Availability:	Black, Natural, Silver, White
Available Spool Sizes:	2.5, 4.5 and 8.0 kg

Mechanical Properties:

Tensile Strength (ISO 527):	45 MPa
Tensile Modulus (ISO 527):	3100 MPa
Elongation at Break (ISO 527):	13%
Flexural Strength (ISO 178):	60 MPa
Flexural Modulus (ISO 178):	3000 MPa
Charpy Unnotched Impact Strength (ISO 179):	40 kJ/m²
Charpy Notched Impact Strength (ISO 179):	8 kJ/m²

Thermal Properties:

HDT B - 0.45 MPa (ISO 75):	54°C
Vicat Softening Temperature (ISO 306):	116 °C
Glass Transition Temperature (Tg) (DSC):	60 °C
Melting Temperature (DSC):	170 - 180°C

Recommended printing conditions:

Nozzle Temperature:	215 °C
Print Bed Temperature:	55 - 60 °C
Environmental Temperature	n.s. °C
Printing Speed	>40 mm

Additional comment: Material is sensitive to moisture and should be stored in dry conditions at all times.

Specifications Safety Sheet

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PETG

CHEMICALLY RESISTANT AND EASY TO PRINT

AVAILABLE COLORS

BigRep PETG is a great alternative to BigRep PLA with higher impact strength and heat deflection at a similarly affordable price. With minimal shrinkage, parts printed with BigRep PETG demonstrate minimal warping and reliable results. PETG is easy to print and perfect for design iterations in the prototyping phase of nearly any application. It features well-balanced mechanical properties, making PETG a suitable filament for all-around usage. BigRep PETG is chemically resistant and a great choice for applications where parts are exposed to oils, fuels, alcohols, and weak acids.

Available in several transparent colors, BigRep PETG delivers beautiful results, lending a glossy sheen to the transparent surface. This can be particularly important for certain end-use parts, when visual appearance is paramount.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Easy to Print for
Wide Range of Uses

High Chemical
Resistance

Good Heat Deflection
Temperature

Minimal Shrinkage
for Part Accuracy

Glossy Transparent
Surface

What is PETG 3D Printing Filament?

PETG is a thermoplastic based on PET (polyethylene terephthalate), which is among the most widely used plastics in the world. PET is known for its strength, chemical resistance, and easy processing, and can be found practically everywhere: it’s used for beverage bottles, food packaging, industrial films, and more. PETG, for its part, shares many properties with PET, only the addition of glycol enhances the material’s durability and printability.

Recognizable by its transparent sheen, BigRep PETG has been optimized for the company’s machines but is compatible on all open-build FFF systems. The material’s excellent strength, toughness, and temperature resistance—not to mention its excellent printability and adhesion—make it a popular alternative to classic filaments like PLA and ABS, as well as a lower cost alternative to engineering-grade materials.

BigRep’s mechanically and thermally resistant PETG Filament

Why Use BigRep PETG Filament?

BigRep PETG’s material properties are a good match for many applications, particularly prototypes, tooling and visual end-use parts. Though it is not as tough as BigRep’s engineering-grade thermoplastics or carbon fiber reinforced materials, PETG does offer enhanced strength, impact resistance, and thermal resistance compared to PLA—all at a comparable price point. This lowers the adoption barrier for the material compared to industrial materials.

In terms of applications, BigRep PETG is popular for creating large-scale design iterations (for prototypes and end-use parts) across many industries thanks to its good quality finish and transparent aesthetics. The material is also a good fit for functional prototypes or end-use parts that require UV resistance and resistance to oils, alcohols, fuels, and weak acids.

PRINTED SIGNAGE

Factory Tooling

Partition wall made with Generative Design

CREATIVE DESIGN

Functional Prototypes

Benefits of 3D Printing BigRep PETG

One of the main benefits of PETG filament is that it is painless to print. Compared to other filaments, like ABS, that have a tendency to warp, PETG is largely resistant to shrinkage and warping, and generally displays excellent bed adhesion. The filament can also handle high printing speeds without significantly compromising quality or resolution, and does not require very high printing temperatures.

In fact, BigRep PETG prints best with a nozzle temperature of about 200 °C (BigRep does emphasize that its filament can achieve a smooth flow at temperatures between 190 and 240 °C). The material does not need a heated print bed, but the best results can be achieved with a heated build surface up to 80°C. Another benefit of 3D printing BigRep PETG is that the filament does not generate any odor while printing, unlike ABS and PLA which are known to emit a strong plastic smell when extruded.

Recommended print settings

Nozzle temperature: 200 - 250 °C
Print Bed Temperature: >60 °C
Chamber Temperature: n/a
Print Speed: 30 - 60 mm/s

Mechanical Properties

Among traditional filaments, BigRep PETG demonstrates good strength and impact resistance. The material has a tensile strength of 50 MPa, which is notably lower than PLA (60 MPa), however its elongation at break is substantially higher at 15% (compared to PLA’s 4%). This means that PETG is more flexible than PLA and can better withstand impacts without breaking.

Thermal Properties

Where PETG really starts to stand out, particularly compared to PLA, is when it comes to heat resistance. The thermoplastic has a heat deflection temperature (HDT) of up to 70 °C, making it resistant in temperatures up to 10°C higher than PLA. PETG also has a higher glass transition temperature (85°C vs. 60°C), which means it can withstand more heat exposure without starting to soften and melt. In terms of applications, PETG is therefore better suited to outdoor use.

Chemical Properties

One of PETG’s key selling points is its high resistance to chemicals. Not only is the material able to withstand UV exposure, it also holds up in environments where other chemicals are present, including oils, fuels, alcohols, and even weak acids.

What to Look Out for When 3D Printing BigRep PETG

While PETG’s good adhesion is generally a good thing, it can happen that a print gets stuck to the print bed. This happens most frequently with glass print beds and can be prevented by using a buffer layer between the print bed and the first layers of the part. Kapton tape works well with PETG filament, as well as filament adhesives like Magigoo. Alternatively, the BigRep SWITCHPLATE, a removable and flexible build surface, can facilitate the removal of PETG prints.

When it comes to post-processing, it’s also worth keeping in mind that because PETG is very chemically resistant, it’s not a good candidate for acetone smoothing. Instead, the best quality finishes can be achieved using other post-processing techniques like sanding or epoxy resin coatings. When post-processing PETG prints, it’s always a good idea to wear protective equipment, like gloves, mask, and eyewear.

Best Practices for Storing and Handling BigRep PETG

To get the best results printing PETG filament, it’s not only vital to use the right print settings, it’s also essential to follow proper storage and handling guidelines. Like almost all filaments, spools of PETG should be stored at an ambient temperature and away from moisture and direct sunlight.

PETG is considered “moderately hygroscopic”, which means the plastic absorbs water molecules present in the air. These change the composition of the filament and can lead to inconsistent extrusion and stringing when printed. It’s therefore a good idea to store the filament in a dry box, such as the BigRep SHIELD. It is also possible to dry out the filament before use. BigRep recommends drying PETG at 60 °C for 4 to 6 hours.

Finally, even though PETG filament doesn’t emit a strong odor when 3D printing, you should always print in a well ventilated environment. When operating a multi-printer operation, BigRep recommends installing a local exhaust system.

Use Cases: See Applications Using BigRep PETG

BigRep PETG is a versatile filament and can be used to multiple different ends, such as design prototypes, jigs and assembly aids, outdoor products, and end-use parts that require a high aesthetic quality.

One specific application that stands out for BigRep PETG is the GENESIS Eco Screen, an urban architecture project spearheaded by a design team at BigRep. The structure, which stands at four meters, is a fully 3D printed urban biodiversity habitat that was 3D printed using four BigRep ONE printers and a combination of BigRep PETG and BASF’s recycled Innofil3D rPET filament.

The GENESIS Eco Screen’s impressive design was generated based on solar radiation analysis and integrates optimized plant placement based on the environment as well as built-in watering and drainage systems. The large-scale installation also integrates insect habitats to encourage biodiversity in an urban environment. The Eco Screen is a good demonstration of the complex large-scale structures that can be achieved using PETG as well as the transparent, glossy quality of the printed filament.

Physical Properties:

Material:	Polyethylene Terephthalate, glycol-modified
Density:	1.27 g/cm³
Filament Diameter:	2.85 mm
Color Availability:	Transparent, Translucent Purple, Green
Available Spool Sizes:	2.3, 4.0 and 8.0 kg

Mechanical Properties:

Tensile Strength (ISO 527):	50 MPa
Tensile Modulus (ISO 527):	1900 MPa
Elongation at Break (ISO 527):	15%
Flexural Strength (ISO 178):	70 MPa
Flexural Modulus (ISO 178):	2100 MPa
Charpy Unnotched Impact Strength (ISO 179):	22 kJ/m²
Charpy Notched Impact Strength (ISO 179):	7.2 kJ/m²

Thermal Properties:

HDT B - 0.45 MPa (ISO 75):	70°C
HDT A - 1.8 MPa (ISO 75):	63°C
Vicat Softening Temperature (ISO 306):	78 °C
Glass Transition Temperature (Tg) (DSC):	85°C
Continuous Use Temp. (UL Yellow Card) (DSC):	50°C

Recommended printing conditions:

Nozzle Temperature:	200 - 250°C
Print Bed Temperature:	>60°C
Fan Speed	0 - 50%
Surface Adhesion	Kapton, BigRep SWITCHPLATE
Support	Breakaway

Specifications Safety Sheet

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PLA

AFFORDABLE AND VERSATILE PROTOTYPING

AVAILABLE COLORS

BigRep’s PLA is a well-rounded filament ideal for large-format rapid prototyping for consistent results at an affordable price. Optimized for the specific challenges of large-format 3D printing, BigRep PLA surpasses lower-cost competitors that offer PLA filament formulated for desktop printers.

With low moisture absorption and minimal shrinkage, parts printed with BigRep PLA
demonstrate minimal warping and reliable results. It is easy to print and perfect for design iterations in the prototyping phase of nearly any application.

BigRep PLA is a biopolymer with reduced environmental impact, especially compared to filaments derived from fossil fuels. Natural-colored PLA is FDA compliant for food safety and meets all requirements of EU Directives on food contact.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Most Affordable for
Cost Savings

Low Moisture
Absorption

Easy to Print for
Wide Range of Uses

Minimal Shrinkage
for Part Accuracy

Reduced
Environmental Impact

What is PLA 3D Printing Filament?

PLA (polylactic acid) is a thermoplastic material that has been one of the most popular filaments since the early days of 3D printing. There are a number of reasons for its ongoing popularity. For one, the material is derived from renewable plant-based resources, giving it an environmental edge compared to petroleum-based thermoplastics like ABS. Second, PLA is an easy-going material that prints well at lower temperatures and high speeds. Third, PLA is available in a range of colors and is typically the cheapest filament to buy.

On top of all that, BigRep PLA offers users an appealing combination of strength and stiffness, while being straightforward to print. It’s also worth noting that BigRep’s filament has been tailored for the company’s large-format 3D printers, so that even at big scales, the filament is resistant against warping and shrinking. Natural-colored PLA is also compliant with FDA and EU requirements for food contact.

Why Use BigRep PLA Filament?

PLA filament is often described as a good option for 3D printing beginners. And while this remains true thanks to the material’s excellent printability, the statement doesn’t really reflect the material’s full potential, particularly when we’re talking about BigRep’s optimized PLA filament.

BigRep PLA is a versatile material that has successfully been used for rapid prototyping, visual models, and end-use parts. The low cost of the material; as well as the generally high quality of prints, have made PLA a go-to for prototyping large components, enabling product designers and engineers to iterate and verify designs quickly and affordably.

In terms of end-use parts, BigRep PLA has been used for a range of creative and innovative design projects, like architectural models, 3D signage, marketing installations, and even furniture. The easy-to-print material is also viable for certain industrial applications, demonstrating good strength and stiffness.

PROTOTYPES

PRINTED SIGNAGE

metal-cast-pattern-propellor-teignbridge

SAND CASTING PATTERNS

CREATIVE EXHIBITIONS

Benefits of 3D Printing BigRep PLA

BigRep PLA comes with many advantages. The filament is among the most low maintenance, offering minimal warping, good bed adhesion, and low moisture absorption. Unlike more heavy-duty filaments, PLA does not require any special hardware to 3D print, working well with standard nozzles and low temperature settings. Moreover, because the material does not easily warp, the filament can be used in an open printing environment, not requiring a cooling system or enclosed build space.

Another of PLA’s big benefits comes from the fact that the thermoplastic has a smaller environmental impact than most other filaments. As we saw, PLA is a bioplastic made from renewable plant-based sources like corn and sugarcane. When disposed of in the right environment, the material is also biodegradable:

Recommended print settings

Nozzle temperature: 200 - 2§0 °C
Print Bed Temperature: 50 - 70 °C
Chamber Temperature: n/a
Print Speed: 30-60 mm/s

Mechanical Properties

PLA has an interesting combination of mechanical properties. In terms of strength and stiffness, PLA demonstrates a significantly higher tensile strength (60 MPa) and tensile modulus (3500 MPa) than ABS (30 MPa and 1400 MPa, respectively). However, this strength is mitigated by the material’s brittle nature: BigRep PLA has lower impact strength compared to ABS (2 kJ/m² vs. 35 kJ/m³).

Thermal Properties

With a glass transition temperature of 60°C and a melting temperature around 160°C, PLA is one of the least thermally resistant filaments in BigRep’s portfolio. The material has a maximum heat deflection temperature of 60°C, lower than both ABS (91 °C) and PETG (70°C). The upside to its lower melting point is that it can be processed easily at lower temperatures.

Chemical Properties

PLA is not generally considered to have strong resistance to chemicals. Common chemicals like acetone, which is used to smooth layer lines on ABS 3D prints, can degrade PLA and compromise its strength. PLA is also not resistant to UV rays. That said, PLA does offer good water resistance.

What to Look Out for When 3D Printing BigRep PLA

While BigRep PLA doesn’t have many of the warnings that come with other filaments—like possible issues with bed adhesion and warping—there are certain things to take into consideration when using the filament. For instance, despite PLA’s high tensile strength, the material is brittle, resulting in parts with limited impact strength and durability.

PLA also has a low melting temperature and glass transition temperature compared to many filaments. This, combined with poor UV resistance, limit the filament’s viability for outdoor applications, since PLA will start to degrade and deform when left in the sun. For the same reasons, the material is also unsuited for high-temperature applications.

Best Practices for Storing and Handling BigRep PLA

As we’ve covered, BigRep PLA is a low-maintenance material when it comes to 3D printing, and the same is true for storage and handling. By following the proper storage recommendations, a spool of BigRep PLA can have a shelf life of 24 months.

PLA is slightly hygroscopic, so it should be stored in a dry environment, such as a dry box with desiccant or the BigRep SHIELD. When not in use, the material should be sealed and kept at an ambient temperature. If left in a humid room, PLA filament can be dried before printing at a low temperature (50°C) for between 4 to 6 hours. This will help to reduce the risk of stringing, which is a symptom of wet filament.

When 3D printing PLA, it’s normal to notice a smell from the melting plastic. While non-toxic, PLA should be printed in a ventilated room or facility. As with other filaments, if many 3D printers are in use, a local exhaust system should be installed. PLA is also considered flammable and should be kept away from ignition sources.

Use Cases: See How Customers Use BigRep PLA

Thanks to BigRep PLA’s excellent printability and affordable cost, the material is used for a wide array of applications, from rapid prototypes, to large-scale models for architecture, marketing, and furniture.

In one notable use case, BigRep PLA and the company’s large-scale printer technology were used to bring one of renowned architect Mies van der Rohe’s last designs to life. The project was a collaboration between BigRep and the Mies van der Rohe House in Aachen, Germany to celebrate the 130th anniversary of the architect’s birth.

The model in question was based on Mies van der Rohe’s last architectural design, which was never built. According to the architecture house, BigRep’s 3D printing and PLA material enabled them to realize the scaled-down model much faster and for a smaller cost compared to traditional model-making methods. BigRep PLA is also commonly used by architecture studios to produce realistic miniature models of future builds.

The wide color variety of BigRep PLA has also opened up exciting opportunities for next-gen furniture designers, who are leveraging the material’s strength and stiffness—as well as aesthetic quality—to make innovative pieces that break the design constraints of conventional furniture making processes.

Physical Properties:

Material:	BioPolymer
Density (ISO 527):	1.24 g/cm³
Filament Diameter:	2.85 mm
Color Availability:	Black, Grey, Natural, Orange, Purple, Red, White, Yellow
Available Spool Sizes:	2.5, 4.0 and 8.0 kg

Mechanical Properties:

Tensile Strength (ISO 527):	60 MPa
Tensile Modulus (ISO 527):	3500 MPa
Elongation at Break (ISO 527):	4%
Flexural Strength (ISO 178):	80 MPa
Flexural Modulus (ISO 178):	3800 MPa
Charpy Unnotched Impact Strength (ISO 179):	7.5 kJ/m²
Charpy Notched Impact Strength (ISO 179):	2 kJ/m²

Thermal Properties:

HDT B - 0.45 MPa (ISO 75):	60°C
HDT A - 1.8 MPa (ISO 75):	55°C
Glass Transition Temperature (Tg) (DSC):	60°C
Melting Temperature (DSC):	155 - 160°C

Recommended printing conditions:

Nozzle Temperature:	200 - 230°C
Print Bed Temperature:	50 - 70°C
Fan Speed	75 - 100%
Surface Adhesion	Kapton, BigRep SWITCHPLATE
Support	Breakaway, BigRep BVOH

Specifications Safety Sheet

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TPU

TPU 98A

FLEXIBLE AND CHEMICALLY RESISTANT

AVAILABLE COLORS

BigRep’s TPU 98A is a flexible filament that is strong, durable, UV-stabilized, and highly chemically resistant. Perfectly suited for industrial applications, especially where parts may be exposed to oil, grease, or chemicals, TPU 98A is also rugged. With high impact strength, tear strength, durability, and abrasion resistance, TPU parts can withstand heavy wear and tear.

Its great layer and bed adhesion result in strong, geometrically accurate parts with minimal warping or deformation. While being flexible, BigRep TPU 98A is a relatively rigid elastomere. The hard/softness of 3D printed parts can be tuned by altering slicing settings for more or less rigidity. With excellent damping behavior, TPU 98A is perfect for manufacturing aids, particularly those interfacing with sensitive parts and equipment.

MADE FOR

PRO PRO
PRO PRO
STUDIO

Flexible with
Shore 98A

High Chemical
Resistance

Excellent Impact
Strength

Great Layer
Adhesion

Durable and
Abrasion Resistant

What is TPU 98A 3D Printing Filament?

BigRep TPU 98A is a flexible thermoplastic filament designed for use on BigRep’s largest industrial 3D printers, the BigRep ONE and BigRep STUDIO, as well as the PRO system. It is a thermoplastic polyurethane—part of the thermoplastic elastomer family—with a Shore hardness of 98A. This is on the firmer end of the scale for TPU materials, closer in terms of flexibility and durability to a shopping cart wheel than to an elastic band.

This BigRep filament offers several desirable characteristics, including temperature resistance up to 100 °C and a high level of chemical resistance. These attributes make the material suitable for rugged industrial applications

Why Use BigRep TPU 98A Filament?

While many 3D printed components require a degree of rigidity to perform their function, a certain category of parts require flexibility, pliability, or softness in order to work properly. 3D printed items like seals and gaskets, vibration dampeners, and footwear outsoles all work best when they are made from rubber-like materials rather than rigid plastics.

However, FFF 3D printing is not typically suited to printing many flexible materials. This is because many of the most common flexible materials (silicone rubbers, for example) are thermosets which cannot be extruded by a 3D printer. Instead, parts made from these elastomeric materials are best suited to processes like liquid silicone injection molding. But there is an exception to the rule: thermoplastic elastomers like TPU combine the attributes of rubbers and thermoplastics, resulting in a material that behaves like an elastomer but that can be processed like a rigid thermoplastic.

BigRep TPU 98A is an ideal material for those who want to exploit the benefits of flexible materials (such as durability and impact resistance) while also leveraging the advantages of the 3D printing process, such as design freedom, rapid prototyping, and low production costs in small quantities.

Forms and Molds

Factory Tooling

TRANSPORT AND LOGISTICS

Functional Prototypes

Benefits of 3D Printing BigRep TPU 98A

Some FFF printer users will dread using flexible filament due to its slow printing speed and tendency towards blobs and stringing. However, BigRep TPU 98A 3D printing filament has been expertly developed and tested, resulting in a high-performance material that is reliable and easy to print, especially when using the designated BLADE material profile. Furthermore, because this TPU is on the firmer end of the Shore hardness scale, users don’t have to worry about nozzle blockages or print failures caused by more flexible filaments on the market.

By employing the optimal printing conditions for TPU 98A, users can reap its performance benefits. The material’s good level of flexibility gives it excellent durability and impact strength, registering no break on the ISO 179 Charpy notched impact test. Other key benefits include excellent chemical resistance, performing well against grease and oil, and a high level of UV and temperature resistance.

Recommended print settings

Nozzle temperature: 210 - 240 °C
Print Bed Temperature: 50 - 60 °C
Chamber Temperature: n/a
Print Speed: >30 mm/s

Mechanical Properties

TPU 98A has exceptional impact strength, being the only filament in the BigRep portfolio to register no break on the Charpy notched impact test. It has a tear strength of 175 kN/m and an elongation at break of 450%. For comparison, more brittle PLA has an elongation at break of 4%.

Thermal Properties

The BigRep TPU material is temperature resistant up to 100 °C (with a Vicat softening temperature of 105 °C), making it suitable for demanding industrial applications. Its continuous use temperature is 50 °C and its melting temperature is 190 °C.

Chemical Properties

Excellent chemical resistance is one of the key advantages of BigRep TPU 98A. The material performs well against grease and oil, making it suitable for applications in automotive, aerospace, industry, and other areas.

What to Look Out for When 3D Printing BigRep TPU 98A

Although BigRep TPU 98A can be printed as easily as many rigid thermoplastics, users unfamiliar with flexible materials should take a few precautions. Most importantly, you should store the material in a dry place because it is highly hygroscopic. For best printing performance, the filament should be dried at 80 °C for between 4-6 hours prior to use.

During printing, a good level of bed adhesion can be achieved with a moderate bed temperature of 50–60 °C and a suitable surface such as the BigRep SWITCHPLATE, or Kapton tape with Magigoo. Parts with overhangs can be supported with BigRep’s BVOH support material.

Best Practices for Storing and Handling BigRep TPU 98A

Like all thermoplastic polyurethane filaments, BigRep TPU 98A is hygroscopic, which means users need to be careful with storage and handling. If the filament becomes damp from a humid environment, users may experience printing issues such as excess stringing, pops, and under-extrusion.

TPU 98A should be stored at room temperature in a dry place out of direct sunlight. For best results, users can deploy the BigRep SHIELD, a filament dry cabinet that can store up to 60 kg of filament. If stored correctly, the filament should last for up to 24 months. If exposed to moisture, the filament can be dried out at a temperature of 80 °C for between four and six hours before printing. As with all filaments, users should ensure adequate ventilation when 3D printing TPU 98A and wear personal protective equipment while post-processing.

Use Cases: See How Customers Use BigRep TPU 98A

BigRep TPU 98A can be used in a diverse array of industries where high levels of durability, impact strength, and chemical resistance are demanded. One such industry is the automotive sector, where the TPU material can been used for parts like shock-absorbing internal components while easily resisting the threats of grease and oil.

One particularly exciting use of BigRep TPU 98A in the automotive industry was the development of the world’s first airless motorcycle tires. Created by BigRep’s innovation design team, these airless tires were part of the fully 3D printed NERA eBike, first seen at the 2018 edition of formnext. The tires featured a honeycomb design that ensured internal stability while balancing rigidity and flexibility. The geometry was realized using the BigRep TPU filament, which is firm and strong enough to maintain its shape during use but offers just enough flexibility to mimic the softness function of a traditional inflated tire. Other uses for BigRep TPU 98A include industrial shock-absorbing components, seals and gaskets, wearables, and footwear components such as outer soles.

Physical Properties:

Density (ISO 527):	1.18 g/cm³
Filament Diameter:	2.85 mm
Color Availability:	Black, Red, Transparent
Available Spool Sizes:	2.5, 4.5 and 8.0 kg

Mechanical Properties:

Shore Hardness, 3s (ISO 7619-1):	98A
Shore Hardness, 15s (ISO 7619-1):	52D
Compression Set at 23°C, 72h (ISO 815):	35%
Compression Set at 70°C, 24h (ISO 815):	42%
Abrasion Resistance (ISO 4649):	25 mm³
Stress at 100% Elongation (ISO 527):	15 MPa
Stress at 300% Elongation (ISO 527):	30 MPa
Stress at Break, TPE (ISO 527):	40 MPa
Elongation at Break, TPE (ISO 527):	450%
Charpy Notched Impact Strength (ISO 179):	No break
Tear Strength (ISO 34):	175 kN/m

Thermal Properties:

Vicat Softening Temperature (ISO 306):	105°C
Glass Transition Temperature (Tg) (DSC):	-30°C
Melting Temperature (DSC):	190°C
Continuous Use Temp. (UL Yellow Card) (UL 746):	50°C

Recommended printing conditions:

Nozzle Temperature:	210 - 240°C
Print Bed Temperature:	50 - 60°C
Fan Speed	0 - 50%
Surface Adhesion	Kapton, BigRep SWITCHPLATE
Support	Breakaway, BigRep BVOH

Specifications Safety Sheet

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PLX

COST EFFECTIVE AND RELIABLE

MADE FOR

What is PLX 3D Printing Filament?

Why Use BigRep PLX Filament?

PROTOTYPES

MOLDING

EXHIBITIONS

TOOLING

Benefits of 3D Printing BigRep PLX

RECOMMENDED PRINT SETTINGS

Mechanical Properties

Thermal Properties

Chemical Properties

What to Look Out for When 3D Printing BigRep PLX

Best Practices for Storing and Handling BigRep PLX

Use Cases: See How Customers Use BigRep PLX

Physical properties:

Recommended printing conditions:

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BVOH

WATER-SOLUBLE SUPPORT

MADE FOR

What is BVOH 3D Printing Filament?

Why Use BigRep BVOH Filament?

End Use Parts

Factory Tooling

COMPLEX MOLDING

Functional Prototypes

Benefits of 3D Printing BigRep BVOH

Recommended print settings

Material Properties

What to Look Out for When 3D Printing BigRep BVOH

Best Practices for Storing and Handling BigRep BVOH

Use Cases: See How Customers Use BigRep BVOH

Physical properties:

Recommended printing conditions:

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HI-TEMP

STIFF AND ECO-FRIENDLY

MADE FOR

What is HI-TEMP 3D Printing Filament?

Why Use BigRep HI-TEMP Filament?

End Use Parts

Factory Tooling

FOOD-SAFE PRODUCTS

Functional Prototypes

Benefits of 3D Printing BigRep HI-TEMP

Recommended print settings

Mechanical Properties

Thermal Properties

Chemical Properties

What to Look Out for When 3D Printing BigRep HI-TEMP

Best Practices for Storing and Handling BigRep HI-TEMP

Use Cases: See How Customers Use BigRep HI-TEMP

Physical properties:

Recommended printing conditions:

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PRO HT

EASY PRINTING AND SUPPORT REMOVAL

MADE FOR

What is PRO HT 3D Printing Filament?

Why Use BigRep PRO HT Filament?

DESIGN PROTOTYPES

CREATIVE EXHIBITIONS

CUSTOM CAR INTERIORS

Functional Prototypes

Benefits of 3D Printing BigRep PRO HT

Recommended print settings

Mechanical Properties