PTFE teepu n'ihi na okpomọkụ sealer bụ waterproof, na nke ahụ bụ otu n'ime isi ihe na-adabere n'elu gafee industries na aka elu-okpomọkụ nkwakọ na akara akụrụngwa. PTFE, mkpụmkpụ maka polytetrafluoroethylene, bụ ihe a maara maka ọmarịcha elu ya na-adịghị mma, nguzogide kemịkalụ, na comp.

Iji teepu PTFE n'ụzọ ziri ezi dị mkpa maka ịnweta akara siri ike, nke na-eguzogide ọgwụ na ngwa mmiri na ngwa ụlọ ọrụ. Ma ị na-ekechi eriri ọkpọkọ ma ọ bụ na-ekpuchi akụrụngwa eletriki, ịghọta usoro ahụ dị oke mkpa dị ka ịhọrọ ụdị teepu ziri ezi. Black Anti St