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BigRep’s PA6/66 is a highly durable 3D printing filament for industrial applications. It is a lightweight thermoplastic material with high rigidity, and resistance to heat and chemicals. Its high compatibility with machining and mechanical strength make it an excellent candidate for most industrial applications, especially in the automotive and aerospace sectors.

Functionally similar to Nylon PA6, a common material for injection molding, PA6/66 is ideal for printing end-use parts or prototyping with nearly identical material properties to final, mass produced parts. The material’s durability and production scalability make it the choice for not just industrial transportation applications, but also developing product electrical housing, cooling and heating systems, as well as molds and vacuum forming.

Prototyping and manufacturing parts with PA6/66 in full-scale with the same material properties as a product from classical plastics production can present substantial shortcuts in the product development cycle, circumventing frequent late stage iteration problems and dodging related exorbitant expenses.


  • Heat Resistance up to 180 °C
  • Chemical Resistance
  • High Mechanical Strength
  • Low-Weight Products
  • Easily Machined

Physical properties:

Material: Polyamide 6/6.6 copolymer
Filament Sizes: 3.0, 4.5, and 8.0 kg
Diameter: 2.85 mm
Density: 1.12 g/cm³
Flexural Modulus (ISO 178): 2325 MPa
Tensile Strength (ISO 527): 67 MPa
Impact Strength Notched: 17.2 kJ/m²
Heat Resistance HDT / B (ISO 75): > 100 °C
Hardness (Shore): D 70

Recommended printing conditions:

Nozzle Temperature 250 – 270 °C
Print Bed Temperature >60 °C
Environmental Temperature 40 – 60 °C
Printing Speed >40 mm/s
Weight N/A
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