Tefzel ETFE Properties

Property ASTM Method Unit Grade HT-2183
Mechanical/Physical
Melt Flow Rate D-3159 g/10 min 2-16
Specific Gravity D-792 1.69-1.76
Water Absorption, 24 Hr. D-570 % 0.0007
Tensile Strength, 23C D-638 psi 5,500-6,100
Ultimate Elongation, 23C D-638 % 275-300
Impact Strength, 23C, Notched Izod D-256 J/m no break
Flexural Modulus, 23C D-790 psi 145,000
Durometer Hardness, Shore D D-2240 D 67
Coefficient of Friction D-1894 0.23
Thermal
Melting Point D-3418 C 255-280
Linear Coefficient of Expansion (0C to 100C) D-696 mm/mm/C 13.3 X 10-5
Limiting Oxygen Index D-2863 % 30-32
Upper Service Temperature C 155
Flammability UL 94 V-0
Electrical
Surface Resistivity D-257 ohm-sq 10-17
Volume Resistivity D-257 ohm-cm 10-17
Dielectric Strength (10 mil film) D-149 Volts/mil 1,800
Dielectric Constant, 23C, 1 MHz D-150 2.5-2.6
Dissipation Factor, 23C, 1 MHz D-150 0.0072