PTFE/TFE Resin Material Specifications

 

ROPERTY ASTM TYPICAL VALUE
Mechanical Properties
Tensile Strength D1708 2,500-4,000 psi
Specific Gravity D792 2.13-2.24
Coefficient of Friction Dynamic
(<10 ft/min)
0.1
Compressive Strength D695 3500 psi
Impact Strength at 73°F D256 3.5 ft-lb/in
Flexural Modulus at 73°F D790 27000 psi
Tensile Modulus D638 80000 psi
Hardness-Durometer D2240 D-50-65
Elongation D1708 200-400 %
Longitudinal Change . 20%
Flexural Strength D790 No Break (psi)
Water Absorption D570 <0.01 %
Deformation Under Load
(73°F, 1000 PSI, 24 Hrs)
D621 3.5
Linear Coefficient
of Expansion
(70-212°F)
(212-300°F)
(300-408°F)
D696 7.5x10-5 in/in/°F
8.5x10-5 in/in/°F
10.5x10-5 in/in/°F
Flex Life (MIT)   >1,000,000
Creep Resistance (lbs/Sq. In.) D674 .
Electrical Properties
Dielectric Strength (ShortTerm)
10Mil Film
D149 >1,400 V/Mil
Volume Resistivity D257 >1018 ohm-cm
Surface Resistivity D257 >1018 ohm/Sq
Thermal Properties
Continuous Service Temperature
  -88° F G22(-67° C) to +482° F (+250°C)
Melting Point
DTA 635-650° F
Thermal Conductivity C-177 1.7 BTU/hr/ft2/°F.in
Heat of Fusion   29-37 BTU/lb
Specific Heat (Cal/g/°C) C-177  
25°C
100°C
200°C
275°C
. 0.23
0.25
0.27
0.29
Low Temperature Embrittlement . .
Deflection Temperature
66 PSI
264 PSI
. 252° F
131° F
Heat of Combustion   2.200 BTU/lb
Other
Flammability Rating UL 94 V0
Refractive Index D542 1.35
Limiting Oxygen Index . >95

 

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