PE 7000 FRAS - polyethylene

UHMW-PE – Ultra-high-molecular-weight polyethylene

PE 7000 FRAS - polyethylene

PE 7000 FRAS is an ultra-high-molecular-weight polyethylene (about 7 million g/mol). This anti-static and flame‑retardant material is approved in line with fire safety standard EN 45545-2. In addition to being anti-static and flame-retardant, it offers good wear- and sliding‑related properties. We offer PE 7000 FRAS in a wide range of sizes.

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Physical properties
  Value Unit Test method
Specific gravity 1.05 g/cm3 DIN EN ISO 1183
Average molecular mass ~5 106 g/mol
Water absorption, 24/96 h (23 °C) – % DIN EN ISO 62
Weather-resistance good
Combustibility V0 UL 94 DIN EN ISO 527-2
Food safety no
Mechanical properties
  Value Unit Test method
Modulus of elasticity <890 MPa DIN EN ISO 527-2
Tensile strength – MPa DIN EN ISO 527-2
Elongation at break – % DIN EN ISO 527-2
Tensile strength at break ≥150 % DIN EN ISO 527-2
Flexural modulus – MPa DIN EN ISO 178
Flexural strength – MPa DIN EN ISO 178
Compressive modulus – MPa EN ISO 604
Compressive strength, 1%/2% – MPa EN ISO 604
Impact strength (Charpy) – kJ/m2 DIN EN ISO 179-1eU
Notch impact strength (Charpy) 80 kJ/m2 DIN EN ISO 179-1eA
Notch impact strength (Izod) – kJ/m2 DIN EN ISO 180/2A
Toughness (ball pressure) 40 MPa ISO 2039-1
Toughness (Shore D) 60–68 Sh D DIN EN ISO 868
Wear-resistance ~130 % Sand-Slurry
Coefficient of friction (against steel) ~0.25 μ
Thermal properties
  Value Unit Test method
Glass-transition temperature – °C DIN 53765
Melting point – °C DIN 53765
Operating temperature (instantaneous) – °C
Operating temperature (continuous) 80 °C
Operating temperature (minimum) -200 °C
Thermal expansion coefficient, 23–60 °C ~20 10-5 K-1 DIN EN ISO 11359-1;2
Thermal expansion coefficient, 23–100 °C – 10-5 K-1 DIN EN ISO 11359-1;2
Specific heat capacity – J/(g×K) ISO 22007-4:2008
Thermal conductivity ~0.4 W/(m×K) ISO 22007-4:2008
Electrical properties
  Value Unit Test method
Surface resistivity 106 Ω DIN IEC 60093
Resistivity 109 Ω×cm DIN IEC 60093
Dielectric strength – kV/mm DIN EN 60243-1
CTI value – V DIN EN 60112
Optical properties
  Value Unit Test method
Light transmittance –
Refractive index –
Optical errors – DIN 52305/AS
Abrasion-resistance, 100 rotations with 500 g – % haze ANSI Z26.1

Additional downloads

Delivery selection eri kokoja
Specific gravity 1.05 g/cm3
Service temperature -200 … 80 °C
Price category €€ (€8–25/kg)

Special properties

  • anti-static nature
  • excellent wear-resistance
  • good sliding characteristics
  • high tensile and impact strength
  • excellent resistance to low temperatures
  • conformity with EN 45545-2 rail transport standard

Applications

vehicle-manufacturing industry, trains, railway industry, various machine parts, electronics industry, conveyor systems, slide and wear applications

Standard colours

black

Premade pieces

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Commonly known brands

St 7000 Fras