Description
Features of Modified PTFE Gasket Materials
- Excellent chemical resistance
- Improved performance over conventional PTFE
- Resistance to cold flow / creep
- Temperature stable from -268°C to +260°C
- Suitable for high temperature – pressure applications
- Improved seal & excellent bolt torque retention
- Outstanding dimensional stability under thermal stress
- Reduced product loss and emissions
- Approved for pharmaceutical and food processing use
- TUV certified in accordance with TA-Luft requirements
- Resistance to wear and abrasion
- Supplied as precision cut gaskets to any shape & size and quantity or in sheet form to max size 1500mm x 1500mm
- Available in a range of 5 thicknesses 0.8mm/1.0mm/1.6mm/2.0mm and 3.2mm
| Color | Tawny | Blue | Off-white | Black |
|---|---|---|---|---|
| Composition | PTFE with silica | PTFE with glass microspheres | PTFE with barium sulfate | PTFE with graphite |
| TemperatureMinimumCont. max. | -268 oC+260 oC | -268 oC+260 oC | -268 oC+260 oC | -268 oC+260 oC |
| Pressure bar | 75 | 55 | 55 | 75 |
| Sealability cm3/s (GB/T9129-2003) | < 1 x 10-3 | < 1 x 10-3 | < 1 x 10-3 | < 1 x 10-3 |
| Creep Relaxation % ASTM F38 | 20 | 35 | 18 | 35 |
| Compressibility Range % ASTM F36-99 | 10~15 | 25~40 | 5~12 | 7~19 |
| Recovery % ASTM F36-99 | > 21 | >25 | >35 | >35 |
| Tensile Strength N/mm2 ASTMF 152-95 | 13 | 12 | 11 | 11 |
| Flammability | Will not support flame | |||
| Bacterial Growth | Will not support |
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