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BigRep’s PRO HT is a general-use bio performance material for open-environment 3D printing. With a softening resistance up to 115 °C, it has a significant increase in temperature resistance compared to the average PLA; making it ideal for practical, end-use applications.

With increased temperature resistance, minimal warping and shrinking, Pro HT is an ideal PLA alternative and the choice material for wearable devices or any general-purpose product that may face higher than average temperatures.

Easy printing and support removal make finishing PRO HT parts simple and excel in low-volume additive manufacturing, even for end-use. The material is scaled dynamic, allowing designs to maintain their quality between large-format and desktop 3D printers.

As a material derived from organic compounds, PRO HT 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.

PRO HT is FDA compliant for food safety and meets the requirements of EU Directives on food contact.


  • Heat resistance up to 115 °C
  • Low warping and shrinkage
  • Easy printing and support removal
  • Environmentally Friendly Thermoplastic
  • Food Safe
  • Matte Finish


All in all, I really like this filament. It’s easy to print with, though not quite as easy as PLA due to the minimal amount of peeling I encountered on one part. The surface finish is silky smooth and printed parts feel really solid. But the fact that it can survive outside makes it incredibly valuable across a wide range of applications.

Cameron Naramore –
Cameron is a 3D printer and CNC operator. He’s fond of cooking, travelling, and science fiction.

Read the whole review here.


BigRep Pro HT is an innovative and a biodegradable material that is weather impermeable thanks to its extreme UV and heat-resistant capabilities and its high strength properties.




Physical Properties:

Material: BioPolymer
Filament Sizes: 750g, 2.5, 4.5, and 8.0 kg
Diameter: 1.75, and 2.85 mm
Density: 1.3 g/cm­³
Flexural Modulus (ISO 178): 3300 MPa
Tensile Strength (ISO 527): 44 MPa
Impact Strength Notched: 18 kJ/m²
Heat Resistance HDT / B (ISO 75): >45 °C
Hardness (Shore): D 75

Recommended Printing Conditions:

Nozzle Temperature 195 – 205 °C
Print Bed Temperature 55 – 60 °C
Environmental Temperature n.s. °C
Printing Speed >40 mm/s

Specifications Safety Sheet