Ningbo Sunwell Sealing Materials Co.,Ltd is one of the leading China modified ptfe gasket manufacturers and suppliers with one of the famous brands, and we are also a professional modified ptfe gasket company and factory, welcome to contact us.
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 | MF4354 | MF4351 | MF4353 |
Color | Fawn | Blue | Off-white | Black |
Photos | ||||
Composition | PTFE with silica | PTFE with glass microspheres | PTFE with barium sulfate | PTFE with graphite |
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 |