PFA tubing, yomwe imadziwikanso kuti perfluoroalkoxy tubing, ndi chinthu chosunthika komanso chogwira ntchito kwambiri chomwe chimagwiritsidwa ntchito kwambiri m'mafakitale osiyanasiyana chifukwa cha zinthu zake zapadera. Zikafika pakupeza machubu a PFA, China yatuluka ngati wopanga wamkulu, wopereka ...

PTFE tepi, yomwe imadziwikanso kuti ulusi seal tepi kapena plumber's tepi, ndi chida chosunthika komanso chofunikira pakuyika mapaipi ndi kusindikiza ntchito. Nthawi zambiri amagwiritsidwa ntchito popanga chisindikizo chopanda madzi pazipaipi zomangika, kuteteza kudontha ndikuwonetsetsa kuti pali kulumikizana kotetezeka ...