Datenblätter Kunststoff
PTFE virginal
Property | Unit | Norm | Value |
Mechanical Properties | |||
Hardness Shore D | Sh. D | DIN 53 505 | 52 - 60 |
Ball Pressure Hardness | N/mm2 | DIN 53 456 | 23 - 28 |
Tensile Strength (23°C) | N/mm2 | DIN 53 455 | 25 - 42 |
Elongation at Break (23°C) | % | DIN 53 455 | 250 - 400 |
Tensile Modulus (23°C) | N/mm2 | DIN 53 457 | 400 - 800 |
PV-Limit 3 m/min | N.M/mm2 Min | 2.5 | |
PV-Limit 30 m/min | N.M/mm2 Min | 3.9 | |
PV-Limit 300 m/min | N.M/mm2 Min | 5.5 | |
Coeff. of Friction - Statical | 0.14 | ||
Coeff. of Friction - V-Steel Dynamic | 0.1 | ||
Wear K.10-8 | CM3.Min/KG.M.H. | 78 | |
Diametric Shrinkage | % | 3 | |
Physical Properties | |||
Spec. Gravity | G/cm3 | ASTM D4894 | 2.17 |
Water absorption | % | DIN 53 495 | 0 |
Deformation after 24h at 23°C - 15N/mm2 | % | ASTM D621 | 16 |
Deformation after 24h at 260°C - 4N/mm2 | % | ASTM D621 | 7 |
Compr. Strength at 1% Deformation (23°C) | N/mm2 | DIN 53 454 | 4.3 |
Electrical Properties | |||
Dielectric Strength | KV/mm | DIN 53 481 | 50 - 80 |
Thermal Properties | |||
Coefficient of Thermal Expansion (20-100°C) | 1/K.10-5 | 12 | |
Coefficient of Thermal Expansion (20-150°C) | 1/K.10-5 | 12 | |
Coefficient of Thermal Expansion (150-260°C) | 1/K.10-5 | 16 | |
Thermal Conductivity (23°C) | W/K.M | DIN 52 612 | 0.23 |
Maximum Continuos Operating Temp. | °C | 250 | |
Minimum Continuous Operating Temp. | °C | -200 |