Corrosion tsis kam ntawm cov khoom siv valve_ Teflon
Polytetrafluoroethylene (Teflon los yog PTFE), feem ntau hu ua "yas huab tais", yog ib tug polymer compound ua los ntawm polytetrafluoroethylene los ntawm polymerization Tsuas yog molten alkali hlau, PTFE tsis yog corroded los ntawm tej tshuaj reagent. Piv txwv li, thaum boiled ...
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