PTFE Rolls
Polytetrafluoroethylene Rolls
PTFE is chemically inert and unaffected by
known chemicals, except alkali metals and fluorine under certain conditions.
Property |
Units |
Natural |
25% Glass Filled |
| Tensile strength | MN/m² | 15 -30 | 12 - 19 |
| Elongation | % | 150 - 350 | 150 - 250 |
| Modulus of Elasticity | kgf/cm² | 3500 - 6000 | ----- |
| Hardness | ShoreD | 60 - 65 | 70 - 75 |
| Compressive Modulus for 1% deformation (20°C) 24hrs | MN/m² | 390 | 590 |
| Impact Strength at 20°C (Charpy, notched) | cmkg/cm² | 8 | 9 |
| Coefficient of Friction | - | 0.06 | 0.12 |
| Melting Point | - | Approx. 327 | Approx. 327 |
| Flammability | - | Non Flammable | Non Flammable |
| Permittivity 50-1066 cycles/sec | - | 2.0 - 2.1 | 2.35 |
| Dissipation Factor 56 - 106 HZ | - | <0.0005 | 0.001 |
| Volume Resistivity | ohm/cm | >1017 | 1015 |
| Specific Gravity | - | 2.13 - 2.19 | 2.13 - 2.20 |
| Temperature | °C | -250 to +260 | -250 to +260 |
| Water absorption 24hr saturation | % | <0.02 | - |
| The above values are typical and are only intended to be used as a guide. |
