Cov ntaub ntawv PTFE tsis yog tsis muaj qee qhov tsis zoo. Lawv yog:
Rhiab rau creep thiab hnav
Nws tsis tuaj yeem ua tiav los ntawm kev ua cov txheej txheem hauv lub xeev molten, thiab txoj kev tsim nyog tuaj yeem ua tsis tau kev tsis paub txog thiab txuas ntxiv.
Nyuaj los koom nrog
Siab siab hloov chaw nyob ze ntawm lub khob hloov cua sov.
Tsawg radiation tsis kam
Corrosive thiab nquag los tsim cov tshuaj lom neeg lom zem.
Qhov tseem ceeb ntawm cov foob thiab cov quav rau PTFE -
Ntxiv cov fillers thiab cov quav ntxiv tuaj yeem txhim kho cov khoom siv tshuab ntawm PTFE, tshwj xeeb tshaj yog nkag thiab hnav tus nqi. Cov Fiber, carbon, iav fiber ntau, carbon fiber, carbon monature, tooj dag, hlau, thiab lwm yam.
Cov iav fiber: nws ntxiv yuav txhim kho kev ua haujlwm nkag thiab hnav cov khoom ntawm PTFE los ntawm kev cuam tshuam nws qhov qis thiab kub. Tsis tas li ntawd, khob puv teb ua ke ua yeeb yam zoo hauv oxidizing ib puag ncig.
Carbon Fiber: carbon fiber yog qhov tseem ceeb rau kev txo qis, txhim kho kev nyuaj, ua kom muaj zog dua thiab ua kom muaj zog compression. PTFE sib xyaw nrog cov thawv roj carbon fiber ntau muaj siab thermal conductivity thiab ib tug tsawg coefficient ntawm thermal expansion. Carbon fiber yog inert kom muaj zog alkalis thiab hydrofluoric acid (iav fiber tuaj yeem tiv thaiv ob qho tib si acids). Cov ntu no yog qhov zoo rau kev ua lag luam cov khoom lag luam xws li kev poob siab.
Cov pa roj carbon: carbon ua kev ntxiv yuav pab txo cov nkag, nce hardness, thiab txhim kho lub thermal conderivity ntawm PTFE. Tib qho txiaj ntsig tuaj yeem ua tiav los ntawm kev sib xyaw PTFE thiab graphite thiab kev txhim kho cov hnav tsis kam ntawm cov pa roj carbon polcound. Cov kev sib xyaw no zoo tagnrho rau cov ntawv thov uas tsis siv lubricated xws li piston ntiv nplhaib hauv kev siv hluav taws xob.
Bronze-puv PTFE: Cov ntais ntawv no tau zoo heev thermal thiab hluav taws xob conductivity, ua rau nws zoo tagnrho rau cov kev siv uas yuav raug rau cov khoom siv heev thiab kub.
Qhov zoo ntawm kev ntxiv cov fillers -
Fillers \/ Ntxiv yog qhov tseem ceeb kom nce qhov ptfe ntawm PTFE compound, thiab yog li yuav cuam tshuam rau lub zog hluav taws xob - ua rau lub zog hluav taws xob - ua rau muaj lub zog hluav taws xob thaum nce dielectric tas li thiab dissipation.
Cov tub rog tuaj yeem txhim kho kev ua tau zoo ntawm PTFE ntawm ob qho siab thiab qis.
Cov kev hloov pauv hauv cov tshuaj lom neeg nyob ntawm hom kev siv ntxiv, txawm li cas los xij. Feem ntau hais lus, nws tseem yoojyim ib qho txiaj ntsig zoo.
PTFE Daim Ntawv Thov -
Feem ntau, fluorinated thermoplectics yog siv rau cov kev thov kev ua tau zoo nrog cov kev ua kom siab, tsis muaj kub, thiab tus kheej lubricating cov khoom. Nov yog qee qhov kev siv rau PTFE:
Engineering - bearings, tsis-lo caj dab, lub rooj zaum valve, plugs, fittings, li qub thiab cov khoom siv teev thiab cov khoom siv teev thiab cov khoom siv teev thiab cov khoom siv teev thiab cov chaw nyob thiab cov khoom siv teev thiab cov chaw nyob thiab cov khoom siv teev cia thiab cov khoom siv tso kua mis.
Kev Kho Mob - Lub plawv dhia, plawv kev cog hniav, hloov pauv lignament.
Tshuaj Kev Lag Luam - Txheej txheej rau cov twj, imphragms, kev hloov cua sov, autoclaves, cov nkoj, ntim, ntim, thiab lwm yam.
Automotive - Valve kav kaw, ncej cov ntsaws ruaj ruaj, roj gastets, o-rings, roj hose line, cov fais fab ua kom kauj, hluav taws xob ua si, thiab lwm yam.
Hluav taws xob thiab hluav taws xob - Saj zawg zog cov ntawv luam tawm cov laug cam, hluav taws xob rwb thaiv tsev, thiab lwm yam.
Zoo tshaj thev naus laus zis rau kev ua PTFE -
PTFE's Rigid Polymer saw ua rau nws nyuaj heev rau cov txheej txheem nrog kev txhaj tshuaj molding thiab extrusion. Txawm li cas los xij, nws tsis tshua muaj neeg nyob viscire thiab kub yaj tsis pab. Qhov zoo tshaj plaws kev ua tshuab ua kom zoo tshaj plaws rau tuav hmoov mettallurgy tau haum rau PTFE.
Sintering, compression moulding, nias, stamping, kub steeling extrusion, kub stamping, machinened ntawm pre-sintered hmoov ntawm cov tshuab tshwj xeeb.
Paste extrusion Mixes PTFE nrog hydrocarbons, uas tau siv los ua nws rau hauv tapes, leeg, thiab rwb thaiv tsev hlau. Lub hydrocarbons evaporate ua ntej cov seem yog sintered.
Kev khiav hauj lwm zoo -200 degree rau 260 degree.
FAQ -
1. Puas yog PTFE carcinogenic?
A. PTFE tau pom tias muaj tshuaj lom rau tib neeg kev noj qab haus huv vim tias nws muaj cov carcinogen hu ua Pfoa. Txawm li cas los xij, tsis tas yuav txhawj vim tias PTFE tsis-stone txheej tsis muaj qhov tshuaj no.
2. Dab tsi yog PTFE tubing siv rau?
A. PTFE tubing yog feem ntau siv raws li kev kuaj cov tshuaj, qhov twg purity yog qhov tseem ceeb tshaj plaws. PTFE muaj qhov qis heev coefficient ntawm kev sib txhuam thiab yog lub npe hu ua ib qho ntawm feem ntau "nplua" cov tsiaj paub.
3. Dab tsi ntawm cov yas yog PTFE?
A. PTFE yog ib thermoplicity polymer uas zwm rau hauv chav kawm fluoropolymers muaj cov pa roj carbon thiab fluorine atoms.
4. Dab tsi yog PTFE ntawv siv rau?
PTFE ntawv yog siv nyob rau hauv ntau yam kev thov xws li PTFE encapsulated gaskets thiab PTFE pob ntawv. Nws tau ua tau zoo heev rau gases, dej, tshuaj lom neeg, roj thiab roj.
