Expanded PTFE Skived Gasket

PTFE has the highest melting point and is capable of continued service at -180-260 C. PTFE  is a melt processible resin capable of continued service at 204 C. PTFE products such as teflon gaskets  are used as gasket and packing materials in chemical processing equipment; as electrical insulation for maximum reliabillity; and in bearings, seals, piston rings and other mechanical applications, especially those require anti-stick characteristics. PTFE has excellent thermal and electrical insulation properties. it has a low coefficient of friction.


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No. item Unit Test Results Remark
1 Density g/cm3 0.86 GB/T22308
2 Maximum Service Temperature 260℃ GB/T22308
3 Minimum Service Temperature (-210℃) GB/T22308
4 Maxium Pressure 1200Psig 83 barg GB/T22308
5 Compressibility % 59.55 ASTM F36,GB/T20671.2 PRESSURE 35MPA
6 Resilience Ratio % 11.61
7 Creep relaxation rate % 68.32 ASTM F38,GB/T20671.5 100℃*22hr
9 Compressibility rate % 51.26 JB/T10688 Pressure 17.25Mpa
10 Resilience Ratio % 14.35
11 Nitrogen leakage rate m1/sec 0.16 JB/T10688 Pressure 17.25Mpa             Internal Pressure of Medium(N2):4Mpa
12 Nitrogen leakage rate m1/sec 0.0037 Pressure :35Mpa           Internal pressure of Medium(N2):4Mpa
remarks:+ and 0 mean depending on situation.- is not.


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