RTFE or RPTFE?

2017-01-20View Original

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Is RTFE or RPTFE used in reinforced polytetrafluoroethylene? The valve sealing surfaces specified by the design institute mention both types – is there any difference?

Reply #22017-01-20

Reinforced polytetrafluoroethylene should be RPTFE, right? Both the ANSI standard API608 for ball valves and standard API609 for butterfly valves specify RPTFE. The gasket standard we use, HG/T20627, also specifies RPTFE; there is no mention of RTFE.

Reply #32018-12-01

Wuxi workwear uses the designation R.TFE: Reinforced Polytetrafluoroethylene, that is, reinforced Teflon

Reply #42018-12-02

PTFE is polytetrafluoroethylene, while RPTFE is reinforced polytetrafluoroethylene.

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RTFE or RPTFE?

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