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PFA Technical Properties

Property ASTM Method Unit 350 General Purpose 450HP High Purity
Mechanical/Physical
Melt Flow Rate D-3307 g/10 min 1-3 3-Jan
Specific Gravity D-792 g/cm3 2.12-2.17 2.12-2.17
Water Absorption, 24 Hr. D-570 % <0.03 <0.03
Tensile Strength, 23°C D-1708 psi 3,625-4,000 3,625-4000
Elongation, 23°C, minimum D-1708 % 300 300
Compressive Strength, 23°C D-695 psi 3,500 3,500
Impact Strength, 23°C, Notched Izod D-256 J/m no break no break
Flexural Modulus, 23°C D-790 psi 90,000 90,000
Durometer Hardness, Shore D D-2240 D 55 55
Coefficient of Friction D-1894   0 0
Deformation Under Load, 23°C, 100 PSI, 10 Hr. D-621 % 2 2
Thermal
Melting Point, nominal D-3418 °C 302-310 302-310
Thermal Expansion (21°C to 100°C) D-696 mm/mm/°C 14 X 10-5 14 X 10-5
Thermal Expansion (100°C to 149°C) D-696 mm/mm/°C 18 X 10-5 18 X 10-5
Thermal Expansion (149°C to 208°C) D-696 mm/mm/°C 22 X 10-5 22 X 10-5
Oxygen Index D-2863 % >95 >95
Maximum Service Temperature   °C 260 260
Thermal Conductivity DuPont W/m-K 0.19 0.19
Flammability UL 94   V-0 V-0
Electrical
Surface Resistivity D-257 ohm-sq 1018 1018
Volume Resistivity D-257 ohm-cm 1018 1018
Dielectric Strength, short-term (10 mil film) D-149 Volts/mil 2,000 2,000
Dielectric Constant, 23°C, 60-100 kHz D-150   2.03 2.03
Dissipation Factor, 23°C, 60-100 kHz D-150   0.0001 0.0001
Arc Resistance D-495 seconds >180 >180