PTFE raw khoom daim kab xev (Teflon daim kab xev) yog ua los ntawm ib tug polymer hu ua polytetrafluoroethylene, ib tug txhim khu kev qha kev twb kev txuas cov yeeb nkab installation yog siv rau cov kua sealing auxiliary khoom, uas tsis yog-tshuaj lom, tasteless, thiab cov khoom no yog zoo sealing, corrosion kuj, rwb thaiv tsev, yog li lawv yog dav siv nyob rau hauv ...
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