Rarraba da aikin hukumar PTFE

Polytetrafluoroethylene board (wanda kuma ake kira tetrafluoroethylene board, Teflon board, Teflon board) an kasu kashi biyu: gyare -gyare da juyawa. Anyi ta sanyaya. Jirgin juyawa na PTFE an yi shi da resin PTFE ta latsawa, nutsewa da peeling. Kayayyakin sa suna da fa’ida iri-iri da kyawawan kaddarorin masu ƙarfi: ƙanƙantar da ƙarancin zafin jiki (-192 ℃ -260 ℃), juriya mai lalata (acid mai ƙarfi, alkali mai ƙarfi, aqua regia, da sauransu), juriya yanayi, babban rufi, babban lubrication, non-stick, Non-guba da sauran kyawawan halaye.

Takardar polytetrafluoroethylene wani fili ne na polymer wanda aka samar ta hanyar polymerization na tetrafluoroethylene. An sauƙaƙe tsarin sa kamar yadda-[-CF2-CF2-] n-, wanda ke da kyakkyawan kwanciyar hankali na sunadarai da juriya na ruɓi (polytetrafluoroethylene Ana magana da shi azaman PTFE ko F4, yana ɗaya daga cikin ƙarin abubuwan da ke da tsayayya da lalata a cikin duniya a yau. Sarki ”shine sunan kowa da kowa don polytetrafluoroethylene. Wani nau’in filastik ne tare da mafi kyawun juriya. Ba a san shi da acid da aka sani, alkalis, Gurɓataccen gishiri da oxyidant ba shi da taimako ko da tare da aqua regia, don haka ake kiran shi Plastic King. Ban da narkakken sodium da fluorine na ruwa, yana da juriya ga duk wasu sunadarai. Ana amfani dashi da yawa a cikin kayan rufewa daban-daban waɗanda ke buƙatar juriya ga acid, alkalis da sauran kayyakin aiki. kyakkyawan juriya na zafin jiki (yana iya aiki a zafin jiki na +250 ℃ zuwa -180 ℃ na dogon lokaci) PTFE da kanta ba mai guba bane ga mutane, amma Perfluorooctanoate (PFOA), ɗaya daga cikin albarkatun ƙasa da ake amfani da su a tsarin samarwa. , ana tsammanin yana da tasirin cutar kansa.

Zazzabi: -20 ～ 250 ℃ (-4 ～+482 ° F), yana ba da izinin sanyaya da dumama da sauri, ko madadin aiki na sanyaya da dumama.

Matsa lamba -0.1 ～ 6.4Mpa (cikakken matsin lamba zuwa 64kgf/cm2) (Fullvacuumto64kgf/cm2)

Samfurinsa ya warware matsaloli da yawa a cikin sinadarai, man fetur, magunguna da sauran fannoni. Polytetrafluoroethylene like, gaskets, gaskets. Ana yin hatimin polytetrafluoroethylene da gaskets na dakatar da gyaran polytetrafluoroethylene polymerized resin. Idan aka kwatanta da sauran robobi, PTFE yana da halayen juriya na sinadarai, kuma an yi amfani da shi azaman kayan rufewa da kayan cikawa. Cikakkun abubuwan da ke narkar da shi a kusan digiri 500 na Celsius sune tetrafluoroethylene, hexafluoropropylene da octafluorocyclobutane. Waɗannan samfuran za su ruɓar da iskar gas mai ɗauke da sinadarin fluorine a yanayin zafi.

Amfani da takardar PTFE

Ire -iren kayayyakin PTFE sun taka muhimmiyar rawa a cikin tattalin arzikin kasa kamar su masana’antun sinadarai, injina, lantarki, kayan lantarki, masana’antar soji, sararin sama, kare muhalli da gadoji. Jirgin Tetrafluoroethylene ya dace da zafin jiki na -180 ℃ ~+250 ℃. Anyi amfani da shi azaman kayan rufin lantarki da kayan haɗin gwiwa a cikin hulɗa da kafofin watsa labarai masu lalata, goyan bayan sliders, hatimin dogo da kayan sa mai. Kayan kayan kwalliyar kayan kwalliya suna amfani da shi a masana’antar haske. , Ana amfani dashi da yawa a cikin sinadarai, magunguna, kwantena na masana’antar fenti, tankuna na ajiya, hasumiyar amsawa, manyan bututun bututun da ke hana ruwa rufewa; jiragen sama, soji da sauran manyan masana’antu; injuna, gini, zamewar gadar zirga -zirga, jagorori; bugu da rini, masana’antar haske, yadi Anti-m kayan don masana’antu, da dai sauransu.