PET – Polyethylene terephthalate


PET SL is a PET material containing an added solid lubricant. It has better wear‑resistance and a lower coefficient of friction than standard PET provides. It comes into its own in various uses for bearings. We deliver PET SL as sheets and rods.

Physical properties
  Value Unit Test method
Specific gravity 1.43 g/cm3 DIN EN ISO 1183
Average molecular mass N/A
Water absorption, 24/96 h (23 °C) 0.02/0.03 % DIN EN ISO 62
Weather-resistance poor
Combustibility HB UL 94 DIN EN ISO 527-2
Food safety yes
Mechanical properties
  Value Unit Test method
Modulus of elasticity 3200 MPa DIN EN ISO 527-2
Tensile strength 78 MPa DIN EN ISO 527-2
Elongation at break 4 % DIN EN ISO 527-2
Tensile strength at break 6 % DIN EN ISO 527-2
Flexural modulus 3300 MPa DIN EN ISO 178
Flexural strength 119 MPa DIN EN ISO 178
Compressive modulus 2700 MPa EN ISO 604
Compressive strength, 1%/2% 21/38 MPa EN ISO 604
Impact strength (Charpy) 42 kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) N/A
Notch impact strength (Izod) kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 183 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 82 °C DIN 53765
Melting point 249 °C DIN 53765
Operating temperature (instantaneous) +170 °C
Operating temperature (continuous) 110 °C
Operating temperature (minimum) N/A
Thermal expansion coefficient, 23–60 °C 8 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C 10 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity 1.1 J/(g×K) ISO 22007-4:2008
Thermal conductivity 0.3 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 plastic sheets, plastic rods
Specific gravity 1.43 g/cm3
Service temperature N/A … 110 °C
Price category €€ (€8–25/kg)

Special properties

  • good mechanical strength, rigidity, and hardness
  • extremely high creep-resistance
  • extremely low coefficient of friction
  • excellent wear-resistance
  • good chemical-resistance
  • suitability for the food industry
  • excellent electrical insulation properties


slide bearings, slide surfaces, conveyor systems

Standard colours


Premade pieces


Commonly known brands