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