Ko te Polytetrafluoroethylene (PTFE) he waerau o te tetrafluoroethylene (TFE), he mea nui te puowai pararopi me nga ahuatanga dielectric tino pai me te whakarea waku iti.I te nuinga o te wa ka whakamahia hei kirihou miihini, ka taea te hanga ki te ngongo polytetrafluoroethylene, rakau, riipene, pereti, kiriata, ...
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