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Sealing material selection
RPTFE

RPTFE, or polytetrafluoroethylene glass fibre, is made from suspended polytetrafluoroethylene resin by moulding and sintering, and is extremely corrosion resistant.

RPTFE, or polytetrafluoroethylene glass fibre, is made by moulding and sintering suspended polytetrafluoroethylene resin. Among the known plastics PTFE has the best chemical resistance and dielectric properties and can be used in the temperature range of -250°C to +250°C. It has the lowest coefficient of friction and the best corrosion resistance among the known plastic materials. It can be processed into various parts, anti-corrosion washers, etc.

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