PA 6.6 HOT

PA – Polyamide

PA 6.6 HOT

PA 6.6 HOT is a heat-stabilised PA 6.6 material for applications requiring high precision at higher temperatures. It is suitable for use in bearings.

Physical properties
  Value Unit Test method
Specific gravity 1.15 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) 0.2/0.3 % DIN EN ISO 62
Weather-resistance good
Combustibility UL 94 DIN EN ISO 527-2
Food safety no
Mechanical properties
  Value Unit Test method
Modulus of elasticity 3,400 MPa DIN EN ISO 527-2
Tensile strength 89 MPa DIN EN ISO 527-2
Elongation at break 7 % DIN EN ISO 527-2
Tensile strength at break 25 % DIN EN ISO 527-2
Flexural modulus 3,300 MPa DIN EN ISO 178
Flexural strength 112 MPa DIN EN ISO 178
Compressive modulus 2,900 MPa EN ISO 604
Compressive strength, 1%/2% 14/29 MPa EN ISO 604
Impact strength (Charpy) does not break kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) 5 kJ/m2 DIN EN ISO 179-1eA
Notch impact strength (Izod) kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 191 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 57 °C DIN 53765
Melting point 263 °C DIN 53765
Operating temperature (instantaneous) +180 °C
Operating temperature (continuous) 115 °C
Operating temperature (minimum) N/A
Thermal expansion coefficient, 23–60 °C 12 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C 12 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity 1.5 J/(g×K) ISO 22007-4:2008
Thermal conductivity 0.36 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
Specific gravity 1.15 g/cm3
Service temperature N/A … 115 °C
Price category €€ (€8–25/kg)

Special properties

  • mechanical strength and rigidity
  • heat-stabilisation
  • extremely good dimensional accuracy
  • low water absorption
  • suitability for high service temperatures
  • low thermal expansion
  • good sliding characteristics
  • suitability for use in bearings exposed to high temperatures
  • good resistance to many oils, greases, and fuels


components used at high temperatures, precision objects, thermal insulation, conveyor systems, electrical industry

Standard colours


Premade pieces


Commonly known brands

Ertalon® 6 XAU+(valettu PA6), SUSTAMID® 66 HS, TECAMID® 66 HI, ZELLAMID® 250 HI