Pfa raj yog lub siab - Kev ua tau yas ua rau polytetrosraethylene (PTFE) thiab fluorinated yas copyl copolymer. Nws yog copolymer ntawm ib qho me me ntawm perfluoroprofene thiab perfluoroprene thiab perfluororpene, nrog kub thiab kub} degrosion thiab laus tsis kam. Ib qho ntxiv, Pfa Tube muaj kev ua haujlwm zoo, yog yooj yim rau daim ntawv, thiab muaj qhov siab tau pob tshab. Vim cov cwj pwm no, PFA raj tau siv nyob rau hauv semiconductor cov khoom siv raug, chav kub rwb thaiv tsev, thiab qee zaum hu ua "Vajntxwv Yeluam". Cov raj muaj kua nplaum ntawm Pfa yog txhim kho thiab cov viscot viscosity yog txo, tab sis kev ua tau zoo tsis hloov piv nrog polytetrosraethylene.
