Characteristics
High and low temperature resistance(-180℃~+260 ℃)
Corrosion resistance(strong acid, strong alkali and aqua regia etc)
Weather resistance
High insulation
High lubrication
Non adhesion
Non toxic etc
Application
Widely used in Gasket,Valve packing’s,Diaphragms and mechanical seals .
linings of pipes ,valves ,Pumps and vessels .Chemical,Machinery fields .Electrical insulation parts .
Properties | Standard | Unit | Result |
mechanical property | |||
Density | g/cm3 | 2.10-2.30 | |
Tensile strength | Mpa | 15 | |
ultimate elongation | % | 150 | |
Tensile strength | D638 | PSI | 1500-3500 |
Produce Max.Temp | ℃ | 385 | |
hardness | D1700 | D | 50-60 |
Impact strength | D256 | Ft./Lb./In. | 3 |
Melting poing | ℃ | 327 | |
working Temp. | ASTM D648 | ℃ | -180 ~260 |
Elongation | D638 | % | 250-350 |
Deformation % 73 0F ,1500 psi 24 hours | D621 | N/A | 4-8 |
Deformation % 1000F,1500psi,24hours | D621 | N/A | 10-18 |
Deformation % 2000F,1500psi 24 hours | D621 | N/A | 20-52 |
lzod | 6 | ||
Water absorption | D570 | % | 0.001 |
Coefficient of Friction | N/A | 0.04 | |
Dielectric constant | D150 | Ω | 1016 |
Dielectric strength | D257 | Volts | 1000 |
Coeffcient of thermal expansion 73 0F | D696 | In./In./Ft. | 5.5*10.3 |
Coefficient of thermal conductivity | *5 | Btu/hr/ftz | 1.7 |
PV at 900 ft./min | N/A | 2500 | |
Colour | *6 | N/A | white |
PTFE was widely used as resistant high & low temperature material,Corrosion-resistant materials,Insulation materials in the atomic energy,defense,aerospace,electronics,electrical,chemical industry,Machinery,instruments,meters,construction,textile,metal,surface treatment,pharmaceutical,medical.food and metallurgical smelting,and become irreplaceable products. | |||
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