PA 4.6

PA – Polyamide

PA 4.6

PA 4.6 has better heat resistance and tensile strength than PA 6.6. The material’s other qualities include better resistance to fuels, oils, most organic solvents and alkaloids. We deliver PA 4.6 as plastic sheets, hollow rods and rods.

Physical properties
  Value Unit Test method
Specific gravity 1.19 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) 0.4/0.7 % DIN EN ISO 62
Weather-resistance moderate
Combustibility HB UL 94 DIN EN ISO 527-2
Food safety no
Mechanical properties
  Value Unit Test method
Modulus of elasticity 3300 MPa DIN EN ISO 527-2
Tensile strength 106 MPa DIN EN ISO 527-2
Elongation at break 21 % DIN EN ISO 527-2
Tensile strength at break 32 % DIN EN ISO 527-2
Flexural modulus 3300 MPa DIN EN ISO 178
Flexural strength 132 MPa DIN EN ISO 178
Compressive modulus 2800 MPa EN ISO 604
Compressive strength, 1%/2% 20/35 MPa EN ISO 604
Impact strength (Charpy) does not break kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) 9 kJ/m2 DIN EN ISO 179-1eA
Notch impact strength (Izod) kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 187 MPa ISO 2039-1
Toughness (Shore D) N/A
Wear-resistance N/A
Coefficient of friction (against steel) N/A
Thermal properties
  Value Unit Test method
Glass-transition temperature 72 °C DIN 53765
Melting point 299 °C DIN 53765
Operating temperature (instantaneous) +220 °C
Operating temperature (continuous) 130 °C
Operating temperature (minimum) N/A
Thermal expansion coefficient, 23–60 °C 13 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C 13 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity 1.7 J/(g×K) ISO 22007-4:2008
Thermal conductivity 0.37 W/(m×K) ISO 22007-4:2008
Electrical properties
  Value Unit Test method
Surface resistivity 1014 DIN IEC 60093
Resistivity 1014 Ω×cm DIN IEC 60093
Dielectric strength N/A
CTI value N/A
Optical properties
  Value Unit Test method
Light transmittance N/A
Refractive index N/A
Optical errors N/A
Abrasion-resistance, 100 rotations with 500 g N/A

Additional downloads

Delivery selection sheets, bars, pipes
Specific gravity 1.19 g/cm3
Service temperature N/A … 130 °C
Price category €€€+ (>€50/kg)

Special properties

  • high heat-resistance (continuous: 130 °C, momentary 220 °C)
  • high tensile strength at break
  • good creep-resistance
  • high water absorption
  • good resistance to many oils, greases, and fuels


bearings, cogs, slide rails, clutches, conveyor systems exposed to high temperatures

Standard colours


Premade pieces


Commonly known brands

Ertalon® 4.6, SUSTAMID® 46, TECAMID® 46