PTFE akụrụngwa teepu (Teflon teepu) bụ nke a polima na-akpọ polytetrafluoroethylene, ihe enwekwukwa njikọ ọkpọkọ echichi na-eji maka mmiri mmiri sealing inyeaka onunu, na-abụghị egbu egbu, keenweghiuto, na ihe a bụ ihe ọma akara, corrosion eguzogide, mkpuchi ihe, n'ihi ya, ha bụ. ejiri ọtụtụ ebe na ...
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