Modified PTFE Gasket
SUNWELL MF4000Range
Modified PTFE gasket are in order to meet the needs
of customers
to different working conditions, and reduce
the cost. SUNWELL
research and design
the modified PTFE gaskets.
- Specification
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Benefits
> Reduced creep relaxation;
> Chemical resistant;
> Cost saving;
> Tighter seal.
>Modified PTFE gaskets improved performance over conventional PTFE, Reduced product loss and emissions. Excellent bolt torque retention, unique manufacturing process minimizes cold flow problems typical of skived and expanded PTFE Sheets. Withstands a wide range of chemicals for extended service life in a wide variety of applications.
>Supplied Sizes:
60'' x 60'' , 70'' x 70'', etc
Thickness: 1/16'', 1/8'', etc
Specification:
| SUNWELL Code |
MF4350 (SUNFLON 522) |
MF4354 (SUNFLON 500) |
MF4351 (SUNFLON 533) |
MF4353 |
| Color | Fawn | Blue | Off-white | Black |
| Photos |
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| Composition | PTFE with silica | PTFE with glass microspheres | PTFE with barium sulfate | PTFE with graphite |
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Temperature Minimum Cont. 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 | |||
