Amapayipi e-Polytetrafluoroethylene (PTFE) asethandwa kakhulu ezimbonini ezihlukahlukene ngenxa yezimpawu zawo ezihlukile.I-PTFE, i-fluoropolymer, yaziwa ngokumelana kwayo namakhemikhali okuhlukile, ukungqubuzana okuphansi, nokubekezelela izinga lokushisa eliphezulu, okuyenza ibe umlingani okahle...
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