Indwangu ye-fiberglass eboshwe nge-PTFE kanye netheyiphu ye-Teflon kokubili izinto ezinganamatheli ezinezakhiwo ezihlukile, kodwa zisebenzisa izinjongo ezihlukile. Indwangu ye-fiberglass ene-PTFE iyisisetshenziswa esiqinile, esimelana nokushisa esisetshenziswa ezinhlelweni zasezimbonini, njengamabhande okuthutha, ulwelwesi lwezakhiwo, namakhava okuvikela. Ihlanganisa amandla e-fiberglass nezakhiwo ezinganamatheli ze-PTFE. Ngakolunye uhlangothi, i-Teflon tape, eyaziwa nangokuthi i-plumber's tape, iyinto encane, enwebekayo esetshenziselwa ngokuyinhloko ukuvala imicu yamapayipi nokuvimbela ukuvuza. Nakuba kokubili kuqukethe i-PTFE, ukwakheka kwayo, isakhiwo, kanye nezinhlelo zokusebenza kwehluka kakhulu. Indwangu ye-fiberglass ehlanganiswe ne-PTFE inikeza amandla aphakeme kanye nokuguquguquka kokusetshenziswa kwemboni, kuyilapho itheyiphu ye-Teflon ihamba phambili ekufakeni amapayipi nokuvala izinhlelo zokusebenza.
![Indwangu ye-fiberglass ene-PTFE]( "PTFE coated fiberglass fabric")
Ukubunjwa kanye Nenqubo Yokukhiqiza ye-PTFE Coated Fiberglass Fabric
Impahla Engavuthiwe kanye Nezakhiwo Zazo
Indwangu ye-fiberglass ene-PTFE iyinhlanganisela ehlanganisa amandla e-fiberglass nezakhiwo ezinganamatheli ze-polytetrafluoroethylene (PTFE). I-base material, i-fiberglass, yakhiwe ngemicu yengilazi emihle elukiwe ibe yindwangu. Lokhu kunikeza amandla amahle kakhulu okuqina, ukuzinza kwe-dimensional, nokumelana nokwelula. I-PTFE, i-fluoropolymer yokwenziwa, idume nge-coefficient yayo ephansi yokungqubuzana, ukungabi namandla kwamakhemikhali, kanye nokumelana nezinga lokushisa eliphezulu.
Amasu Okukhiqiza
Ukukhiqizwa kwendwangu ye-fiberglass eboshwe nge-PTFE kuhilela inqubo enezinyathelo eziningi. Ekuqaleni, indwangu ye-fiberglass ihlanzwa ngokucophelela futhi ilungiselelwe ukuqinisekisa ukunamathela okuhle. Okulandelayo, ukuhlakazwa kwe-PTFE kusetshenziswa endwangu kusetshenziswa izindlela zokuhlanganisa ezihlukahlukene ezifana ne-dip coating, ukunamathela kommese, noma ukunamathela kwesifutho. Indwangu eboshiwe ibe isingena kunqubo yokushisa emazingeni okushisa aphezulu, ngokuvamile azungeze u-700°F (371°C), ehlanganisa izinhlayiya ze-PTFE futhi izibophezele ku-fiberglass substrate. Le nqubo ingase iphindwe izikhathi eziningana ukuze kuzuzwe ukushuba okufunayo kanye nezakhiwo.
Izinyathelo Zokulawula Ikhwalithi
Izinyathelo zokulawula ikhwalithi eziqinile zisetshenziswa kuyo yonke inqubo yokukhiqiza ukuze kuqinisekiswe ukusebenza komkhiqizo okungaguquki. Lokhu kufaka phakathi ukuhlolwa okuvamile kwezinto zokusetshenziswa, ukuqapha ukujiya kwe-coat kanye nokufana, nokuhlolwa kwezakhiwo zomzimba ezinjengamandla aqinile, ukumelana nezinyembezi, kanye nokushelela kwendawo. Amasu athuthukile njenge-electron microscopy kanye ne-spectroscopy angasetshenziswa ukuhlaziya i-microstructure kanye nokwakheka kwamakhemikhali kwendwangu eboshiwe. Ukwengeza, imikhiqizo eqediwe ihlolwa ngokucophelela ukuze kuqinisekiswe izakhiwo zayo ezingaqinile, ukumelana nokushisa, nokuqina ngaphansi kwezimo ezihlukahlukene.
Izicelo kanye Izinzuzo PTFE Coated Fiberglass Fabric
Ukusetshenziswa Kwezimboni
Indwangu ye-fiberglass ehlanganisiwe ye-PTFE ithola ukusetshenziswa okubanzi ezinhlelweni eziningi zezimboni ngenxa yenhlanganisela yayo eyingqayizivele yezakhiwo. Embonini yokucubungula ukudla, isebenza njengempahla efanelekile yamabhande okuthutha, amashidi okubhaka, namashidi okukhulula, ngenxa yendawo yawo enganamatheli kanye nokuhambisana ne-FDA. Umkhakha we-aerospace usebenzisa le ndwangu ukuze ifake indiza kanye nokwakhiwa kwe-radome, izuza kumvelo yayo engasindi kanye nokumelana nezinga lokushisa elidlulele. Ezimbonini zokucubungula amakhemikhali, izindwangu ezimboziwe ze-PTFE zisetshenziselwa amasistimu okuhlunga, amajoyinti okunweba, nama-lining avikelayo, asebenzisa ukungabi namandla kwawo kwamakhemikhali kanye nokuqina.
Izicelo Zokwakha
Umhlaba wezokwakha wamukele indwangu ye-fiberglass eboshwe nge-PTFE ngenxa yokuguquguquka kwayo nokukhanga kobuhle. Kuyinketho edumile yezakhiwo eziqinile, njengophahla lwenkundla, ama-canopies, nezinhlelo ze-facade. Ukukhanya kwendwangu kuvumela ukudluliswa kokukhanya kwemvelo ngenkathi kunikeza isivikelo se-UV, okuyenza ilungele ukumbozwa kwe-atrium kanye nezinhlelo zokukhanya kwesibhakabhaka. Izakhiwo zayo zokuzihlanza, ngenxa yokwembozwa kwe-PTFE okungeyona induku, iqinisekisa izindleko eziphansi zokunakekela kanye nokukhanga okubonakalayo okuhlala isikhathi eside. Ngaphezu kwalokho, izakhiwo zendwangu ezikwazi ukumelana nomlilo zinomthelela ekuphepheni kwesakhiwo, zihlangabezana nezidingo eziqinile zekhodi yomlilo.
Izinzuzo Eziyingqayizivele
Indwangu ye-fiberglass ehlanganiswe ne-PTFE inesethi eyingqayizivele yezinzuzo eziyibeka ihluke kwezinye izinto. Ukumelana nokushisa kwayo okukhethekile kuyivumela ukuthi imelane namazinga okushisa asukela ku -100°F kuya ku-500°F (-73°C kuya ku-260°C) ngaphandle kokuwohloka. I-coefficient ephansi yokungqubuzana kwendwangu inciphisa ukuguga nokudabuka ezingxenyeni ezihambayo, ithuthukisa impilo ende yemishini nemishini. Imvelo yayo ye-hydrophobic iyenza ingangeni emanzini, kuyilapho izakhiwo zayo ze-oleophobic zimelana nowoyela namafutha. Izinto ezinhle kakhulu zokuvala ugesi ziyenza ifanelekele izinhlelo ezahlukene zikagesi. Ngaphezu kwalokho, ukumelana kwayo nemisebe ye-UV kanye nezinto ezingcolisa umoya kuqinisekisa ukuqina kwesikhathi eside ekufakweni kwangaphandle, okwenza kube yisixazululo esingabizi kakhulu ezimbonini eziningi.
I-Teflon Tape: Ukwakheka, Ukusetshenziswa, kanye Nemikhawulo
Ukwakheka Nezakhiwo
I-Teflon tape, eyaziwa nangokuthi i-PTFE tape noma i-plumber's tape, iyinto encane, enwebekayo eyakhiwe ngokuyinhloko nge-polytetrafluoroethylene (PTFE). Ngokungafani nendwangu ye-fiberglass eboshwe nge-PTFE , itheyiphu ye-Teflon ayinayo i-reinforcing substrate. Itheyiphu ikhiqizwa ngenqubo ebizwa ngokuthi namathisela i-extrusion, lapho i-PTFE resin ixutshwa nesigcobo futhi iphoqelelwe ngedayizi ukuze kwakhiwe ifilimu elincanyana, elinezimbotshana. Le filimu ibe seyeluliwe ukuze ikhulise amandla ayo futhi inciphise ukushuba kwayo. Itheyiphu ewumphumela ithambile, iyaphenduleka, futhi inokuminyana okuphansi, ngokuvamile isukela ku-0.35 kuya ku-0.75 g/cm³. I-Teflon tape izuza ifa lezinto eziningi ezizuzisayo ze-PTFE, okuhlanganisa ukumelana namakhemikhali, ukungqubuzana okuphansi, kanye nekhono lokumelana nokushisa okuhlukahlukene.
Izicelo Ezivamile
I-Teflon tape ithola ukusetshenziswa kwayo okuyinhloko ekusetshenzisweni kwamapayipi njengethayiphu yophawu lwentambo. Uma isongwe emiculweni yamapayipi nezinto ezifakwayo, igcwalisa izikhala phakathi kwemicu, idale uphawu olungangeni manzi futhi olungangeni moya. Lokhu kuyenza ibaluleke kakhulu ekuvimbeleni ukuvuza kuzo zombili izintambo zamanzi negesi. Ngaphandle kwamapayipi, i-Teflon tape ithole usizo kwezinye izinkambu ezahlukahlukene. Ku-electronics, isetshenziswa njengento evikela izintambo nezintambo. Izimboni ze-Aerospace ziyisebenzisela ukugcoba izingxenye ezihambayo ezinjinini zezindiza. Kulabhorethri yamakhemikhali, itheyiphu ye-Teflon isetshenziselwa ukuvala amalunga engilazi ekusetheni kwemishini. Izakhiwo zayo ezingezona izinduku ziyenza isebenziseke ezinhlelweni zokupakisha, ikakhulukazi emishinini yokuvala ephatha izinto ezinamathelayo.
Imikhawulo Nokucatshangelwa
Ngaphandle kokuguquguquka kwayo, itheyiphu ye-Teflon inemikhawulo ethile ekhawulela ukusetshenziswa kwayo ezinhlelweni lapho indwangu ye-fiberglass ene-PTFE idlula kahle. Amandla aphansi we-tape ayenza ingafaneleki izinhlelo zokusebenza ezidinga ubuqotho obuphezulu besakhiwo. Ayikwazi ukumelana nezingcindezi eziphakeme noma ukucindezeleka okukhulu kwemishini, inciphisa ukusetshenziswa kwayo kuzilungiselelo zezimboni. Imvelo ye-Teflon tape izacile futhi enezimbotshana isho ukuthi inikeza ukufakwa okushisayo okuncane uma kuqhathaniswa nezindwangu ezimboziwe ze-PTFE. Nakuba ingakwazi ukusingatha ububanzi obubanzi bezinga lokushisa, ayinakho ukuzinza kwe-dimensional yezinto eziqinisiwe ze-PTFE emazingeni okushisa adlulele. Ukwelula kwetheyiphu, nakuba kunenzuzo ekudaleni izimpawu, kungaba yisiphazamiso ezinhlelweni ezidinga ubukhulu obunembile, obungaguquki. Ukwengeza, itheyiphu ye-Teflon ayifanele ukusetshenziswa nama-oxidizing agents aqinile noma izinsimbi ze-alkali, njengoba lokhu kungehlisa isithunzi into ye-PTFE.
Isiphetho
Ngenkathi i-PTFE enamathiselwe ngendwangu ye-fiberglass kanye netheyiphu ye-Teflon yabelana ngezinto ezinganamatheli ze-PTFE, zisebenzisa izinjongo ezihlukile ngenxa yokuqanjwa kwazo okuhlukile nezakhiwo. Indwangu ye-fiberglass ehlanganiswe ne-PTFE, enokwakhiwa kwayo okuqinile nezici ezihlukahlukene, iyaphumelela ezinhlelweni zemboni nezakhiwo ezidinga amandla, ukuqina, nokumelana nokushisa. I-Teflon tape, ngakolunye uhlangothi, ikhanya ekufakweni uphawu nasekugcobeni izinhlelo zokusebenza lapho ubuncane bayo nokwelula kunenzuzo. Ukuqonda lo mehluko kubalulekile ekukhetheni izinto ezifanele zezidingo ezithile, ukuqinisekisa ukusebenza kahle nokuphila isikhathi eside ezinhlelweni ezahlukene zokusebenza kuzo zonke izimboni.
Xhumana nathi
Ngendwangu ye-fiberglass ehlanganiswe nekhwalithi ephezulu ye-PTFE kanye nesiqondiso sochwepheshe ekusetshenzisweni kwayo, themba Aokai PTFE . Imikhiqizo yethu ye-premium inikeza ukuqina okungenakuqhathaniswa, ukumelana nokushisa, nezakhiwo ezinganamatheli, iqinisekisa ukusebenza okuphakeme kuzilungiselelo zezimboni ezihlukahlukene. Izwa umehluko we-Aokai PTFE - xhumana nathi namuhla ku mandy@akptfe.com ukuhlola ukuthi izinto zethu ezithuthukisiwe zingawaphakamisa kanjani amaphrojekthi nezinqubo zakho.
Izithenjwa:
Ebnesajjad, S. (2017). Ibhuku Lezicelo Ezinwetshiwe ze-PTFE: Ubuchwepheshe, Ukukhiqiza kanye Nezicelo. UWilliam Andrew.
McKeen, LW (2013). Umthelela Wokuvala Inzalo Kupulasitiki Nakuma-Elastomers. UWilliam Andrew.
U-Drobny, JG (2014). I-Fluoroplastics, Umqulu 2: I-Melt Processible Fluoropolymers - Umhlahlandlela Ocacile Womsebenzisi kanye Nencwadi Yedatha. UWilliam Andrew.
Schweitzer, PA (2006). Ukugqwala kwamaPolymers nama-Elastomers. CRC Cindezela.
Kutz, M. (2011). I-Applied Plastics Engineering Handbook: Ukucubungula kanye Nezinto Zokusebenza. UWilliam Andrew.
U-Ebnesajjad, S., & Khaladkar, PR (2017). Izicelo ze-Fluoropolymer Ezimbonini Zokucubungula Amakhemikhali: Umhlahlandlela Ocacile Womsebenzisi kanye Nencwadi. UWilliam Andrew.
