PTFE vs Teflon: Zvakafanana Here? - Besteflon

Patinoshanda nevatengi vekune dzimwe nyika, tinowanzosangana nemamiriro ezvinhu aya: mifananidzo yacho inoratidza chubhu yePTFE, nepo quotation yemutengesi ichiinyora sechubhu yeTeflon, zvichisiya zvikwata zvekutenga zvisina chokwadi kana vachitaura nezvechinhu chimwe chete uye zvichikonzera kusimbiswa kunotora nguva. Dambudziko rakanyanya, vamwe vatengesi vanoshandisa "Teflon" kureva PFA kana FEP—sezvo chiratidzo cheTeflon® chinosanganisira zvinhu zvakawanda. Chinyorwa chino chinopa tsananguro yakazara yemazwi, zviratidzo zvekutengeserana, uye pfungwa dzekutenga dzinoshanda panzvimbo imwe chete.

•PTFE neTeflon zvinhu zvakafanana;Teflon® ingori zita rekutengeserana rePTFE.

•Zvisinei, izwi rekuti "Teflon" rave richishandiswa zvakanyanya muindasitiri uyezvinogona kureva PTFE, PFA, kana FEP.

•Chemours (yaimbova DuPont) ine chiratidzo cheTeflon®;vatengesi vasina mvumo havafanirwe kuishandisa zviri pamutemo.

•Chikumbiro chekutenga chinofanira kutsanangura PTFE pachinzvimbo cheTeflonkudzivirira kusanzwisisika kwekutumira.

•"Teflon tube" ine mutengo wakaderera zvikuru ingangove isina kugadzirwa uchishandisa zvinhu zveChemours;izvi zvinoda kusimbiswa.

PTFE neTeflon zvinhu zvakafanana here?

Uyu ndiwo mubvunzo mukuru, uye mhinduro yacho iri nyore: hongu, PTFE neTeflon zvinhu zvakafanana. Zvisinei, "zvinhu zvakafanana" uye "izwi rimwe chete" hazvirevi chinhu chimwe chete mumamiriro ekutenga - kunzwisisa musiyano uyu kunoita kuti mibvunzo yese inotevera ive nyore.

PTFE = Polytetrafluoroethylene = Zita remakemikari

PTFE inomiririra Polytetrafluoroethylene, inozivikanwa muchiChinese se "polytetrafluoroethylene." Iri izita remakemikari rinoreva polymer yakagadzirwa kubva kumamonomer etetrafluoroethylene. Pasinei nekuti zvinhu zvakagadzirwa kubva kupi, zvigadzirwa zvese zvepolytetrafluoroethylene zvinogadzirwa nekambani chero ipi zvayo zvinonyorwa zvakafanana sePTFE—izwi reindasitiri risiri remugadziri chaiye.

Teflon® = Chiratidzo chakanyoreswa cheDuPont

Teflon® chiratidzo chekutengeserana chakanyoreswa cheChemours (chakabva kuDuPont muna 2015). Muna 1938, musayendisiti weDuPont Roy Plunkett akawana PTFE netsaona, uye kambani yakatanga kuitengesa pasi pechiratidzo cheTeflon® muna 1945. Kutaura zvazviri, Teflon® inoreva "PTFE yakagadzirwa neDuPont/Chemours" —sekungofanana neKleenex® inomiririra rudzi rwakasiyana rwematauro epepa.

Zvisinei, chokwadi chakaoma kupfuura zvinorehwa netsanangudzo. Muindasitiri, "Teflon" yava kunzi PTFE, uye vatengesi vazhinji vanoshandisa izwi iri kutsanangura zvigadzirwa zvavo vasina mvumo—tsika inonyanya kuitika muChina yekugadzira zvinhu: kana vatengi vachikumbira "machubhu eTeflon," vatengesi vanoziva izvi sekureva machubhu ePTFE. KuBesteflon, tinowanzosangana nemibvunzo yakadaro; mushure mekusimbisa zvinodiwa zvezvinhu, tinogara tichitsanangura PTFE mumagwaro epamutemo kudzivirira kusanzwisisika.

 

Sei "Teflon" isingatauri nezve PTFE?

Dai Teflon yaingova zita rekutengeserana rePTFE, nyaya yacho yaizova nyore. Zvisinei, muchokwadi, Chemours inotengesa fluoropolymer dzinopfuura imwe chete pasi pezita rekuti Teflon®. Izvi ndizvo zvinokonzera kuvhiringidzika kwekutenga uye zvinosimbisa kukosha kwekunyora kwakanyatsojeka.

Chemours parizvino inotengesa zvinhu zvinotevera pasi pechiratidzo cheTeflon®:

 

 

Izvi zvinoreva kuti kana mutengesi akati "tinotengesa machubhu eTeflon," vanogona kunge vachireva machubhu ePTFE, machubhu ePFA, kana machubhu eFEP. Zvinhu izvi zvitatu zvakasiyana zvakanyanya mukudzivirira kupisa kwakanyanya, zvinodiwa pakugadzirisa, uye mitengo; kukanganisa kwehunhu humwe chete kunogona kukonzera nhanho yakasiyana zvachose yekushanda pakutumira.

Zano: Shandisa mazita emakemikari nguva dzose (PTFE/PFA/FEP) mukutenga, matsanangudzo, uye makondirakiti; dzivisa kushandisa "Teflon." Iyi haisi kungotsvaga zvinhu asi inzira iri nyore yekudzivirira kusawirirana kwekutumira. Cherechedza kuti Besteflon yeseZvigadzirwa zvemachubhu ePTFEakanyorwa mazita emakemikari kwete "Teflon" - nekuti kunyatsoita zvinhu zvakanaka kunodarika nyore.

 

Ndiani muridzi wechiratidzo cheTeflon®?

Kunyange zvazvo kuva muridzi wechiratidzo chekutengeserana kungaita senyaya yepamutemo, zvinosarudza zvakananga kana vatengesi vako vachigona kushandisa izwi rekuti "Teflon" zviri pamutemo uye kuti ndezvipi zvinhu zvinoshandiswa mu "Teflon tube" yaunotenga.

Nhoroondo yeZviratidzo

•1938,Musayendisiti weDuPont, Roy Plunkett, akawana PTFE.

•1945:DuPont yakanyoresa chiratidzo cheTeflon® ndokutanga kutengeswa kwacho.

•2015:DuPont yakabatanidza bhizinesi rayo remakemikari ekushanda nekambani yakazvimiririra yeChemours, nechiratidzo cheTeflon® chakaiswa kuChemours.

•SkureChemours ine chiratidzo cheTeflon® uye inopa kodzero dzemarezinesi kune vanotenga resin yePTFE pasi rese.

Izvi zvinorevei pakutenga zvinhu?

Kuva muridzi wechiratidzo chepamutemo kune zvazvinoreva zviviri pakutenga:

1. Mutengesi wako angasatenderwa kunyora zita reTeflon® pachigadzirwa chacho.Kana mugadziri wemapombi akashandisa logo yeTeflon® pamarebheti ezvigadzirwa kana mawebhusaiti asina kuwana mvumo yechiratidzo kubva kuChemours, izvi zvinoreva kutyora mutemo wechiratidzo. Izvi hazvikanganisi mhando yezvinhu zvacho—mafekitori mazhinji ekuChina anoshandisa resin yePTFE inogadzirwa munyika (semuenzaniso, Dongyue, Haohua, nezvimwewo), iyo inosangana zvizere nezvinodiwa zvekushanda—asi haugone kunyora zita reTeflon® pachigadzirwa chekupedzisira.

2. "Tubhu yeTeflon" haigone kushandiswa sehwaro hwekugamuchirwa.Odha yekutenga inofanira kutsanangura "Teflon tube"; mutengesi anogona kuendesa chero rudzi rwepipe yefluoropolymer. Kungotsanangura "PTFE tube" kana "PFA tube" chete ndiko kunogona kushanda sechiyero chekugamuchirwa kwehunyanzvi kana paine kusawirirana.

 

Zvimiro zvePTFE zvinobva kwakasiyana-siyana zvakafanana here?

Mushure mekujekesa nyaya dzine chekuita nezviratidzo zvekutengeserana uye tsika dzekupa mazita, nyaya inotevera yezvikwata zvekutenga ndeiyi: Zvinhu zvePTFE zvinobva kunzvimbo dzakasiyana zvinoratidza hunhu hwakafanana here? Mhinduro yacho ndeyekuti "zvakafanana, nekuchinja kudiki" - misiyano iyi kazhinji haikanganisi mashandiro mumashandisirwo mazhinji asi inogona kukonzera matambudziko mumamiriro ezvinhu akanyatsojeka.

Zvikamu zvakafanana zvezvinhu zvese zvePTFE

Maumbirwo emakemikari ePTFE ane macheni akatsetseka anoumbwa necarbon-fluorine bonds, uye anoramba akafanana zvisinei nekuti zvinhu zvakagadziriswa zvinobva kuChemours, Daikin, Dongyue, kana vamwe vatengesi. Hunhu hunotevera hunoenderana pamhando dzese dzePTFE:

• Kusashanda kwemakemikari - hapana kana makemikari anoitika.

• Kushanda tembiricha: -65°C kusvika +260°C

• Kukosha kwekukweshana - 0.1, yakaderera pane zvinhu zvakasimba

• Hunhu hweDielectric – Dielectric constant: 2.1; Simba reDielectric: 25 kV/mm

• Hazvinamati – Zvinhu zvinenge zvese hazvinamati

Misiyano ipi inogona kuitika

Kufanana kwemaumbirwo emakemikoro hakurevi kuenzana kwakakwana pakati pezvigadzirwa zvese zvePTFE. Zvinhu zvinotevera zvinogona kukonzera kusiyana pakati pezvigadzirwa kubva kumabheti akasiyana kana vatengesi:

 

 

Mazano makuru ekutenga:Pamashandisirwo anosanganisira kugadzirwa kwemakemikari echinyakare kana kushandiswa kwemaindasitiri, kusiyana kwezvinhu zvisina kugadzirwa hakukoshi. Zvisinei, kana chirongwa ichi chikaisa zvinodiwa zvakasimba pakutsungirira kwedhayamita yemukati (semuenzaniso, machubhu ePTFE capillary), kutsvedzerera kwemadziro emukati, kana kuramba kwenguva refu kwekumanikidzwa, chinangwa chako hachifanirwe kungova chekuti chinhu chacho ndechePTFE here, asiwo pakusimbisa kugona kwemutengesi kubvisa uye kudzora mhando. Maitiro ekudzora mhando yeBesteflonPTFE machubhu akatsetseka——kusanganisira bvunzo yekusimba kwemhepo, bvunzo yekubata pressure yehydrostatic, pamwe neongororo dzakatevedzana dzakadai sebvunzo yekumanikidzwa kwepamusoro, bvunzo yekuputika kwehydraulic uye bvunzo yekuneta yakakombama, zvichiita kuti zvigadzirwa zvisvike pazvinodiwa neindasitiri yefluoroplastic. Yakagadzirirwa zviitiko zvakadaro zvakanyatsonaka.

Inofanira kunyorwa sei pachirongwa chekutenga?

Kukurukurirana kwacho kwakafukidza mutsauko mumitemo yemazita, zviratidzo zvekutengeserana, uye zvinhu, pakupedzisira vachitarisa pamubvunzo unoshanda: ruzivo urwu runofanira kutsanangurwa sei mumirairo yekutenga uye zvirevo zvehunyanzvi?

Shandisa mazita emakemikari, kwete mazita emhando

 

Kunyora zita rechinhu chete hakuna kukwana

Kungoti "PTFE tube" hazvina kukwana. Tsanangudzo yakazara yekutenga inofanira kusanganisira zvinotevera:

•Giredhi reZvinhu:Giredhi Rakajairika / Giredhi Rezvekudya (rinoenderana neFDA 21 CFR 177.1550) / Giredhi Rezvekurapa

•Saizi: ID × OD × Ukobvu hwemadziro, pamwe nezvinodiwa zvekushivirira

•Kureba uye Huwandu

•Nyaya Yekushandisa:Inobatsira vatengesi kuona kana kudzorwa kwemhando yepamusoro kuchidikanwa

•Zvitupa zvinodiwa uye mishumo yebvunzo

Mukuita kweBesteflon quotation, danho rekutanga rinotorwa nemainjiniya nderekusimbisa ma parameter aya. Uku hakusi kutsoropodza—asi, kana zvirevo zvichitsanangurwa zvakajeka, nzira yekutumira inova yakapfava uye zvinodiwa pakugadzirisa patsva zvinova zvishoma.

 

Mibvunzo Inowanzo bvunzwa

Heino mibvunzo inowanzo bvunzwa nevatengi nezve "PTFE vs Teflon." Kana mamiriro ako asina kuvharwa, inzwa wakasununguka kukumbira rubatsiro kubva kumainjiniya edu zvakananga.

 

Q: Mutengesi anoti anoshandisa "zvinhu zveTeflon" - izvozvo zvinovimbika here?

A: Kujekeswa kwakawanda kunodiwa. Kana vachireva resin yeChemours 'Teflon® PTFE, unofanira kukumbira humbowo hwebatch yezvinhu zvisina kugadzirwa. Kana "Teflon" ichingoshandiswa seshoko rePTFE (rinowanzo shandiswa muindasitiri), zvinhu zvisina kugadzirwa zvinogona kubva kune chero mutengesi wePTFE resin—izvi hazvinetse, asi hazvigone kufungidzirwa kuti zvinobva kuChemours. Kune akawanda mashandisirwo emaindasitiri, maresin ePTFE emhando yepamusoro akagadzirwa munyika (akadai seaya anobva kuDongyue kana Haohua) anosangana nezvinodiwa zvese zvekushanda.

Q: Ko izwi rekuti "Teflon" rinogona kudhindwa pachubhu yePTFE here?

A: Kana pombi yacho isingashandise resin yeChemours' Teflon® kana kuti isina mvumo kubva kuChemours yechiratidzo chekutengeserana, kudhinda "Teflon" pachigadzirwa ichi kunoreva kutyora mutemo wekutengeserana. Zvinokurudzirwa kudhinda "PTFE" papombi - nzira iyi inotevedzera mitemo uye yakajeka.

Q: Maresin ePTFE eChemours haana kunaka zvakadii kana tichienzanisa nezvigadzirwa zvePTFE zvinogadzirwa munyika?

A: Mukushandiswa kwemaindasitiri kwakajairika, kusiyana kwacho hakuna kukosha. Kusiyana kukuru kunonyanya kuitika mumamiriro ezvinhu akaomarara: kugadzikana kwekubvisa kwechubhu ye capillary (ID<0.5mm), kuramba kukwira kwemvura pakupisa kwakanyanya kwenguva refu (>200℃), uye zvinodiwa zvekuchena zvakanangana nekushandiswa kwekurapa kana semiconductor. Kana kushandiswa kwako kusingasanganisire mamiriro ezvinhu akaomarara aya, zvinhu zvakagadzirwa munyika zvinogona kuzadzisa zvinodiwa zvizere nemutengo wakaderera.

Q: Mutengi wangu anokumbira "machubhu eTeflon" - ndinofanira kuenderera mberi sei?

A: Simbisai nemutengi kana vachida machubhu ePTFE kana machubhu ePFA/FEP. Kazhinji, kana vatengi vachiti "machubhu eTeflon," vanenge vachireva machubhu ePTFE. Kana zvangosimbiswa, tsivai "chubhu yeTeflon" ne "PTFE tube" muchibvumirano senzira yepamutemo yekudzivirira kusawirirana mune ramangwana.

Q: Ndingakurumidza sei kusiyanisa PTFE, PFA, uye FEP?

A: Nzira iri nyore: isina kujeka = PTFE, semi-transparent = PFA, yakazara pachena = FEP. Mvura iri muFEP inoonekwa zvakajeka kuburikidza nechubhu; iyo iri muPFA inoita seyakajeka asi isina kujeka zvishoma; nepo iyo iri muPTFE isingaonekwe zvachose. Uku kungori kuongorora kwekukurumidza—kuti uwane sarudzo chaiyo, tarisa tafura yekuenzanisa ye7-dimensional iri muchinyorwa.PTFE vs PFA vs FEP Tubing.

Q: Sei "Teflon" ichitaurwa nezvayo paBesteflon'swebhusaiti?

A: Besteflon yawana mvumo yepamutemo yekushandisa chiratidzo cheTeflon® uye inoshanda pasi pekutevedzwa kwemutemo. Isu tiri vagadziri vane hunyanzvi hwemachubhu eTeflon, kusanganisira machubhu ePTFE nemachubhu ePFA/FEP.