Kel-F

ASTM or UL TEST
PROPERTY
PCTFE
Physical
D792 Density (lb/in³) 0.077
N/A (g/cm³) 2.13
D570 Water Absorption, 24 hrs (%) < 0.01
Mechanical
D638 Tensile Strength (psi) 5,300
D638 Tensile Modulus (psi) 207,000
D638 Tensile Elongation at Break (%) 150
D790 Flexural Strength (psi) 8,500
D790 Flexural Modulus (psi) 180,000
D695 Compressive Strength (psi) 5,500
D695 Compressive Modulus (psi) 180,000
D785 Hardness, Shore D D90
D256 IZOD Notched Impact (ft-lb/in) 5
Thermal
D696 Coefficient of Linear Thermal Expansion (x 10^-5 in/in/˚F) 7
D648 Heat Deflection Temp (˚F/˚C) at 264 psi 258/ 126
D3418 Melting Temp (˚F/˚C) 415/ 212
N/A Max Operating Temp (˚F/˚C) 270/ 132
Thermal Conductivity
C177 (BTU-in/ft²-hr-˚F) 1.45
N/A (x 10^-4 cal/cm-sec-˚C) 4.99
UL94 Flammability V-0
Electrical
D149 Dielectric Strength (V/mil) short time, 1/8" thick 500
D150 Dielectric Constant at 1 MHz N/A
D150 Dissipation Factor at 1 MHz N/A
D257 Volume Resistivity (ohm-cm) at 50% RH 10^18