| Properties of PTFE |
| PTFE Product |
 PTFE
plate |
| PTFE
die pressure plate |
| PTFE
film |
| PTFE
stick , pipe |
| PTFE
gasket tape |
| PTFE
crude materials belt |
| PTFE Process Product |
| Abnormity
process product |
| PTFE
Gasket |
| FEP Product |
| FEP
pipe |
| PTFE filling Product |
| Other Products |
| Packing
set series |
| Rubber
plate rubber |
| Compound
O-Ring |
Polytetrafluoroethylene Properties
| Name | Unit | Value |
| Density | Kg/m³ | 2.10-2.30×10³ |
| Crystallinity | % | resin93-97 quench product 50-65 non quench product 63-85 |
| MP | °C | 3 27 |
| heat distortion temperature | °C | 55 |
| softening point | °C | 110 |
| heat decomposition temperature | °C | >415 |
| coefficient of linear expansion (relative to pressure ) | 1/°C | 20-60°C
10.3×10-5 20-100°C 10.5×10-5 20-150°C 11.4×10-5 20-200°C 12.8×10-5 |
| thermal conductivity | W/m.K | 0.256 |
| poisson ratio (25°C) | 0.40 | |
| refractive index | % | 1.37 |
| water absorption | <0.01 | |
| contact angle of water | 114°- 115° | |
| surface tension | N/Cm | 18.5×10-5 |
| dielectric capacity (10H2) | ≤1.8-2.2 | |
| volume resistivity | Ωm | ≥1×1015 |
| surface resistivity | Ω | >1016 |
| electrical arc resistance | s | ≥300 |
| tensile strength | MPa | 27.6 |
| elongation at break | % | 238 |
| compression modulus of elasticity | MPa | 280 |
| compression strength (5%) | MPa | 12.9 |
| impact strength (breach) | KJ/m2 | 2.0 |
| bending strength | MPa | 20.7 |
| elastic modulus in bending | MPa | 700 |
| coefficient of friction ( 2MPa) ( 30mm) |
d | 0.11 |
| abrasion loss ( ditto) | mg | 249 |
| width of abrasion marks (ditto) | mm | 15.8 |
| We test it according to GB |
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