Polytetrafluoroethylene (PTFE) bụ polymer nke tetrafluoroethylene (TFE), nke bụ ihe dị mkpa organic fluorine ihe na magburu onwe dielectric Njirimara na ala esemokwu ọnụọgụ.A na-ejikarị dị ka plastik injinia, enwere ike mee ka ọ bụrụ polytetrafluoroethylene tube, mkpanaka, teepu, efere, ihe nkiri, ...
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