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PTFE TEFLON
Virgin Teflon
Virgin Teflon
Virgin Teflon is manufactured from virgin PTFE resins that have been moulded, sintered and stripped to the appropriate thickness. Virgin Teflon is widely used in a number of industries due to the material’s outstanding properties, including heat and chemical resistance, dielectric strength.
Usage Areas
Gaskets, O-rings, V-rings, compression seals and similar sealing parts, Bushings, bearings and piston tabs, Electrical insulators, Sliding supports, Conveyor belts, Coated pipes, valves and connecting components for abrasive material transfer, Non-stick surface applications, PTFE coated glass fabric manufacturing, Laboratory equipment requiring chemical resistance. In the military industry and marine industry due to its resistance to water, moisture, microorganisms and sunlight.
Mechanical Properties
| Specifications | Test ASTM | T100 |
|---|---|---|
| Tensile Strength (At Break) Kg/cm² | D638 | 140-380 |
| Elongation at break 23°C (%) | D638 | 200-400 |
| Compressive Strength (1% Deformation), 23°C (Kg/cm²) | D695 | 45-50 |
| Deformation Under Load (140 kg/cm, 24 hours, 23 °C)(%) | D621 | |
| Total Deformation(%) | D621 | 14-16.8 |
| Permanent Deformation(%) | D621 | 7.5-8.5 |
| Total Deformation under the top (%) | ||
| 10 kg/cm² load, 150 °C, 24 hours(%) | - | |
| 50 kg/cm² load, 150 °C, 24 hours(%) | - | |
| Impact Strength (Izod, notched)(Kj/m²) | D256 | 15.5-16.5 |
| Hardness (Shore D) | D2240 | 54-60 |
Physical Properties
| Specifications | Test ASTM | T100 |
|---|---|---|
| Specific Heat (Kcal/kg.°C) | 0.23-0.25 | |
| Thermal Conductivity (x10^-4) 30°C (Cal/cm.sec.°C) | 5.5-6 | |
| Coefficient of Expansion (x10^-5) (°C^1) | D696 | |
| 25°C-100 °C | D696 | 12.5-16 |
| 25°C-200 °C | D696 | 15-19 |
| 25°C-300°C | D696 | 21.5-25 |
| Operating Temperature, Minimum (°C) | -260 | |
| Operating Temperature, Maximum (°C) | +270 |
Electrical Properties
| Specifications | Test ASTM | T100 |
|---|---|---|
| Dielectric Strength, 0.1 mm short time (Kv/mm) | D149 | 40-80 |
| Dielectric Constant, 50 Hz-10 Hz | D150 | 2-2.1 |
| Volumetric Resistance, 23°C (Ohm-cm) | D257 | > 10¹⁸ |
| Surface Resistance, 23°C 50% Relative Humidity (Ohm) | D257 | > 10¹⁶ |
| Dielectric Loss Factor, 50 Hz, 23 °C (dry environment) | D150 | 0.00005 |
