I-Ptfe Teflon Sleeve I isingeniso I-Ptfe Teflon Sleeve iwuhlobo lwamashubhu akhethekile akhiqizwa yi-PTFE (eyaziwa kakhulu ngokuthi i-Teflon kanye ne-King of Plastics) i-extrusion yezinto ezibonakalayo, i-sintering, ukomisa, ukushisa okuphezulu nokubunjwa.