BigRep’s PET-CF is an engineering-grade filament for high-strength additive manufacturing applications. With exceptional dimensional stability and low moisture absorption, it’s the perfect material for printing in industrial environments. Capable of producing exceptionally strong, stiff parts with a fine surface finish and heat resistance up to 100 °C, this material is ideal for functional, performance applications.

PET-CF is a reliable and easy to use materials for environments with limited control like a factory floor.


  • Strong and stiff parts
  • High dimensional stability
  • Excellent surface finish
  • Heat resistant up to 100 °C
  • Low moisture absorption


Physical Properties:


Material: PET with carbon fibre
Filament Net Weight: 2.5, 4.5 & 8.5 kg
Diameter: 2.85 mm
Density: 1.23 g/cm³
Flexural Modulus (ISO 527): 8000 MPa
Tensile Strength (ISO 527): 100 MPa
Breaking Stress (ISO 527): 40 kJ/m²
HDT / B (ISO 75): > 100 °C


Recommended Printing Conditions:


Nozzle Temperature: 200 – 220 °C
Print Bed Temperature: 60 °C
Environmental Temperature: n.a.
Printing Speed: > 40 mm/s

Specifications Safety Sheet