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Thermoplastic Polytetrafluoroethylene (PTFE)

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Thermoplastic
Polytetrafluoroethylene (PTFE)
Property Value in metric unit Value in US unit
Density 2.17 *10³ kg/m³ 135.5 lb/ft³
Modulus of elasticity 0.49 GPa 69 ksi
Tensile strength 24 MPa 3500 psi
Elongation 300 % 300 %
Flexural strength 33 MPa 4800 psi
Thermal expansion (20 ºC) 95*10-6 ºCˉ¹ 53*10-6 in/(in* ºF)
Thermal conductivity 0.25 W/(m*K) 1.73 BTU*in/(hr*ft²*ºF)
Glass transition temperature 27 ºC 81 ºF
Maximum work temperature 290 ºC 554 ºF
Dielectric constant 2.1 - 2.1 -
  • Excellent anti-friction properties;
  • Excellent chemical resistance;
  • Excellent high temperature resistance;
  • Very good low temperature toughness;
  • Very good weather resistance;
  • High dielectric strength (up to 100 kV/mm).

Applications: bearings pump parts, non-sticking coating, tubes for chemicals, thread seal tape, high and low temperature electrical and medical applications, lining for rolls.

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thermoplastic_polytetrafluoroethylene_ptfe.txt · Last modified: 2013/08/04 by dmitri_kopeliovich
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