Akwai nau'i biyu na bututun da aka liyi: 1. Bututu matsattse rufi.An fi saninsa da bututun cirewa, wato tetrafluoro-bututun ya fi girma fiye da bututun ƙarfe a cikin diamita, ta hanyar lanƙwasa na inji a cikin bututun ƙarfe 2.Pipe sako-sako da rufi.wato diamita na waje na bututun tetrafluoro ya yi ƙasa kaɗan fiye da diamita na ciki na bututun ƙarfe, wanda ke kan layi kai tsaye a cikin bututun ƙarfe ta hanyar shigar da hannu.

babban abu: - PTFE (F4) ya dace da isar da karfi mai lalata matsakaici ≤120 ℃, kamar tsarma HCl, HNO3, H2SO4, HF, NaOH, da dai sauransu - PE sabis zazzabi ≤80 ℃, dace da general rauni m matsakaici kai, lalata juriya ne general - PP da PO sabis zafin jiki ≤100 ℃, dace da karamin adadin sauran ƙarfi lalata matsakaici kai, lalata juriya ne kullum

Ana saka gyaggyarawa a cikin bututun, kuma ana ɗora foda na tetrafluorin a cikinta don ƙirƙirar haɓaka.

Babban abu: - PTFE F4 ya dace da isar da matsakaici mai ƙarfi mai lalata ≤150 ℃, kamar tsarma HCl, HNO3, H2SO4, HF, NaOH, da sauransu.- Amfani da PFA don isar da kafofin watsa labaru mai ƙarfi ≤200 ℃, wasu halaye sun yi kama da PTFE

Ana yin pretreated saman kayan aikin bututun, sannan ana dumama kayan aikin bututu, ana saka foda ETFE a cikin bututu bayan yanayin zafi ya kai ga ma'auni, ETFE a cikin yanayin narkewa an haɗa shi daidai da bangon ciki na kayan aiki ta hanyar juyawa na 3D, kuma daga karshe sanyaya da siffata.Babban abu: ETFE (F40), don isar da ≤150 ℃ mai ƙarfi mai lalata matsakaici, kamar tsarma HCl, HNO3, H2SO4, HF, NaOH, da sauransu.A al'ada zai iya tsayayya da ƙananan matsi mara kyau