Corrosion resistance yezvakajairwa valve zvinhu_ Teflon
Polytetrafluoroethylene (Teflon kana PTFE), inowanzo zivikanwa se "mambo wepurasitiki", ikomisheni yepolymer yakagadzirwa nepolytetrafluoroethylene nepolymerization Kunze kwesimbi yakanyungudutswa yealkali, PTFE haina kana kusvibiswa nechero chemakemikari reagent. Semuenzaniso, kana yakabikwa ...
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