Wani abu aka yi ptfe tube?
Gabatarwar samfur
1,Ptfe tubewani suna ne na polytetrafluoroethylene, gajartawar Ingilishi ita ce PTFE, (wanda aka fi sani da "Plastic King, Hara"), kuma tsarin sinadarai shine -(CF2-CF2) n-.An gano Polytetrafluoroethylene bisa kuskure a cikin 1938 ta hanyar likitancin Dr. Roy J. Plunkett a DuPont's Jackson Laboratory a New Jersey, Amurka Lokacin da ya yi ƙoƙarin yin sabon chlorofluorocarbon A cikin yanayin firiji.Samfuran wannan kayan gabaɗaya ana kiransu da "rufin da ba ya sanda";wani abu ne na polymer na roba wanda ke amfani da fluorine don maye gurbin duk kwayoyin hydrogen a cikin polyethylene.Wannan abu yana da juriya ga acid, alkalis, da sauran kaushi na halitta daban-daban, kuma kusan ba zai iya narkewa a cikin dukkan kaushi.A lokaci guda kuma, PTFE yana da halaye na juriya na zafin jiki, kuma ƙarancin juzu'in sa yana da ƙasa sosai, don haka ana iya amfani da shi azaman hanyar lubrication, kuma ya zama babban shafi na ciki na tukwane marasa tsayawa. da bututun ruwa
Ana amfani da waɗannan samfuran akan samfuran masu zuwa:
PTFE, FEP, PFA, ETFE, AF, NXT, FFR.
PTFE: PTFE (polytetrafluoroethylene) ba sanda shafi za a iya amfani da ci gaba a 260°C, tare da matsakaicin zafin amfani na 290-300°C, ƙarancin juriya mai ƙarancin ƙarfi, juriya mai kyau da ingantaccen kwanciyar hankali.
FEP: FEP (Fluorinated ethylene propylene copolymer) wanda ba ya sanda ya narke kuma yana gudana don samar da fim maras porous yayin yin burodi.Yana da kyakkyawan kwanciyar hankali na sinadarai da kyawawan halaye marasa tsayawa.Matsakaicin zafin amfani da shi shine 200℃.
PFA: PFA (Perfluoroalkyl fili) wanda ba mai sanda ba ya narke kuma yana gudana yayin yin burodi don samar da fim ɗin da ba a taɓa gani ba kamar FEP.Amfanin PFA shine cewa yana da mafi girma ci gaba da amfani da zafin jiki na 260°C, mafi ƙarfi da tauri, kuma ya dace musamman don amfani a cikin aikace-aikacen anti-stick da juriya na sinadarai a ƙarƙashin yanayin zafi mai girma.
PTFE (Polytetrafluoroethene) wani abu ne na roba na roba wanda ke amfani da fluorine don maye gurbin duk kwayoyin hydrogen a cikin polyethylene.Wannan abu yana da juriya ga acid, alkalis, da sauran kaushi na halitta daban-daban, kuma kusan ba zai iya narkewa a cikin dukkan kaushi.A lokaci guda, ptfe tube yana da halaye na high zafin jiki juriya, da gogayya coefficient ne sosai low, don haka shi za a iya amfani da lubrication, kuma shi ma ya zama manufa shafi ga sauki-to-tsabta woks da ruwa bututu.Ana iya amfani dashi don juriya na lalata bututu, juriya mai girma da ƙarancin zafin jiki, da juriya na lalata.Ana amfani da shi a cikin yanayi mai tsauri kamar man shafawa, injiniyanci, lantarki, kayan lantarki, da jirgin sama.
Siffofin samfur
1, High da low zazzabi juriya: kadan sakamako a kan zazzabi, m zazzabi kewayon, m zazzabi -65 ~ 260 ℃.
2. Ba m: Kusan duk abubuwa ba a bonded zuwa PTFE film.Fina-finai masu sirara kuma suna nuna kyakkyawan aikin rashin tsangwama.2. Heat Juriya: PTFE shafi fim yana da kyau kwarai zafi juriya da kuma low zazzabi juriya.Yana iya jure yanayin zafi har zuwa 300 ° C a cikin ɗan gajeren lokaci, kuma ana iya amfani da shi gabaɗaya tsakanin 240 ° C da 260 ° C.Yana da mahimmancin kwanciyar hankali na thermal.Yana iya aiki a yanayin zafi mai daskarewa ba tare da ɓata lokaci ba kuma baya narke a yanayin zafi mai girma.
3, Zamiya dukiya: PTFE shafi film yana da mafi girma coefficient na gogayya.Matsakaicin juzu'i yana canzawa lokacin da kaya ke zamewa, amma ƙimar tana tsakanin 0.05-0.15 kawai.
4, Danshi juriya: The surface na PTFE shafi fim ba tsaya ga ruwa da man fetur, kuma ba sauki tsaya ga bayani a lokacin samar da ayyuka.Idan akwai ɗan datti, kawai a goge shi.ɓata ɗan gajeren lokaci, adana lokutan aiki da inganta ingantaccen aiki.
5, Wear juriya: Yana yana da kyau kwarai lalacewa juriya a karkashin high load.Ƙarƙashin wani kaya, yana da fa'idodi biyu na juriya da rashin tsangwama.
6, lalata juriya: PTFE ne wuya lalata da sunadarai, kuma zai iya jure duk karfi acid (ciki har da aqua regia) da kuma karfi oxidants fãce narkakkar alkali karafa, fluorinated kafofin watsa labarai da sodium hydroxide sama 300 ° C.Matsayin rage wakili da nau'ikan kaushi na halitta na iya kare sassa daga kowane nau'in lalata sinadarai
sinadaran dukiya
1, rufi: Ba shafi yanayi da kuma mita, da girma juriya iya isa 1018 ohm · cm, da dielectric asarar ne kananan, da rashin ƙarfi irin ƙarfin lantarki ne high.
2, High da low zazzabi juriya: kadan sakamako a kan zazzabi, m zazzabi kewayon, m zazzabi -190 ~ 260 ℃.
3, Self-lubricating: Yana yana da mafi karami coefficient na gogayya tsakanin robobi kuma shi ne manufa mai-free lubricating abu.
4, Surface ba danko: da aka sani m kayan ba zai iya manne da surface, shi ne m abu da mafi karami surface makamashi.
5, Weather juriya, radiation juriya da kuma low permeability: dogon lokacin da daukan hotuna zuwa yanayi, da surface da kuma yi zama canzawa.
6. Incombustibility: The oxygen iyaka index ne a kasa 90.
7, PTFE ne yadu amfani a masana'antu bukatar high zafin jiki juriya da kuma high danko.Hakanan ana iya amfani da super acid-fluoroantimonic acid mafi ƙarfi don adanawa
Yankin aikace-aikacen samfur
Polytetrafluoroethylene za a iya samuwa ta hanyar turawa ko extruding;Hakanan za'a iya sanya shi a cikin fim sannan a yanke shi a cikin tef ɗin PTFE mai ɗaukar hoto idan aka yi amfani da shi a cikin wayoyi masu zafi.Ana amfani da shi don samar da manyan igiyoyi masu tsayi kuma an sanya su kai tsaye zuwa tarwatsa ruwa.Ana iya amfani dashi don sutura, impregnation ko yin fiber.
Polytetrafluoroethylene ana amfani dashi sosai a masana'antu kamar makamashin nukiliya, tsaron ƙasa, sararin samaniya, lantarki, lantarki, sinadarai, injina, kayan kida, mita, gini, yadi, jiyya na saman ƙarfe, magunguna, kulawar likita, abinci, ƙarfe da narkewa, da sauransu. kayan, kayan rufewa, kayan kwalliyar da ba za a iya maye gurbinsu ba, da sauransu.
Farashin PTFEyana da fitattun ingantattun kaddarorin, babban juriya na zafin jiki, juriya na lalata, mara tsayawa, mai mai da kai, kyawawan kaddarorin dielectric, da ƙarancin juzu'i.Ana amfani dashi azaman robobi na injiniya, ana iya sanya shi cikin bututun PTFE, sanduna, belts, faranti, fina-finai, da sauransu. Gabaɗaya ana amfani da su a cikin bututun da ba su da lahani, kwantena, famfo, bawuloli, radar, kayan aikin sadarwa mai ƙarfi, kayan rediyo, radomes, da dai sauransu tare da babban aiki da bukatun.Ƙara duk wani filler wanda zai iya jure yanayin zafin jiki na polytetrafluoroethylene, kayan aikin injinsa na iya haɓaka sosai.A lokaci guda, ana kiyaye sauran kyawawan kaddarorin PTFE.Cikakkun nau'ikan sun haɗa da fiber gilashi, ƙarfe, ƙarfe oxide, graphite, molybdenum disulfide, carbon fiber, polyimide, EKONOL, da dai sauransu. Rashin juriya da iyakance ƙimar PV za a iya ƙara sau 1000.
Binciken da ya danganci ptfe hose:
Lokacin aikawa: Janairu-07-2021