PTFE Molding hmoov cuab yeej

Kuj mus atmospheric ageing: tsis tawg ua hauj thiab permeability: unchanged long-term tib lub ntuj kaaj quas lug, nto thiab kev ua tau zoo nyob.

Tsis-combustibility: limiting Performance index pa hauv qab 90.

Acid thiab alkaline: soluble tsis muaj cov kua qaub, alkali thiab organic hnyav (xws li magic cov kua qaub, tshuaj fluoride antimony sulfonic acid).

Oxidation kuj: tiv taus cov corrosion uas muaj kab mob oxidizing.

Tus nqi PH: tsis.