Thaum ua haujlwm nrog cov neeg siv khoom txawv teb chaws, peb feem ntau ntsib qhov xwm txheej no: cov duab kos qhia txog PTFE raj, thaum tus neeg muag khoom hais tias nws yog Teflon raj, ua rau cov pab pawg yuav khoom tsis paub meej tias lawv puas xa mus rau tib yam khoom thiab ua rau siv sijhawm ntau los lees paub rov qab. Qhov teeb meem ntxiv, qee tus neeg muag khoom siv "Teflon" los qhia txog PFA lossis FEP - txij li thaum lub cim lag luam Teflon® npog ntau yam khoom. Tsab xov xwm no muab cov lus piav qhia txog cov lus, cov cim lag luam, thiab cov kev xav txog kev yuav khoom hauv ib qho chaw.
•PTFE thiab Teflon yog tib yam khoom siv;Teflon® tsuas yog lub npe lag luam rau PTFE xwb.
•Txawm li cas los xij, lo lus "Teflon" tau dav dav hauv kev lag luam thiabtej zaum yuav xa mus rau PTFE, PFA, lossis FEP.
•Chemours (yav tas los hu ua DuPont) tuav lub cim lag luam Teflon®;cov neeg muag khoom tsis raug cai yuav siv tsis tau raws li txoj cai.
•Daim ntawv xaj yuav khoom yuav tsum qhia meej PTFE es tsis txhob Teflonkom tsis txhob muaj kev tsis meej pem ntawm kev xa khoom.
•Lub "Teflon raj" uas muaj tus nqi qis heev yuav tsis yog tsim los ntawm kev siv cov khoom siv raw ntawm Chemours;qhov no yuav tsum tau lees paub.
PTFE thiab Teflon puas yog tib yam khoom?
Qhov no yog lo lus nug tseem ceeb, thiab cov lus teb yooj yim: yog, PTFE thiab Teflon yog tib yam khoom siv. Txawm li cas los xij, "tib yam khoom siv" thiab "tib lo lus" tsis txhais tau tib yam hauv cov ntsiab lus yuav khoom - kev nkag siab txog qhov sib txawv no ua rau txhua lo lus nug tom qab yooj yim.
PTFE = Polytetrafluoroethylene = Lub npe tshuaj lom neeg
PTFE yog lub npe luv rau Polytetrafluoroethylene, feem ntau hu ua "polytetrafluoroethylene" hauv Suav teb. Qhov no yog lub npe tshuaj uas hais txog cov polymer uas ua los ntawm tetrafluoroethylene monomers. Txawm hais tias cov khoom siv raw los qhov twg los xij, txhua yam khoom polytetrafluoroethylene uas tsim los ntawm txhua lub tuam txhab muaj lub npe hu ua PTFE - ib lo lus lag luam uas tsis yog los ntawm ib lub tuam txhab tsim khoom tshwj xeeb.
Teflon® = Lub npe lag luam sau npe ntawm DuPont
Teflon® yog ib lub npe lag luam sau npe ntawm Chemours (uas tau tsim los ntawm DuPont hauv xyoo 2015). Xyoo 1938, tus kws tshawb fawb ntawm DuPont, Roy Plunkett, tau tshawb pom PTFE tsis tau xav txog, thiab lub tuam txhab tau pib ua lag luam nws raws li lub npe lag luam Teflon® hauv xyoo 1945. Hais kom meej, Teflon® txhais tau tias "PTFE tsim los ntawm DuPont/Chemours" - ib yam li Kleenex® txhais tau tias yog ib hom ntawv phuam tshwj xeeb.
Txawm li cas los xij, qhov tseeb yog qhov nyuaj dua li cov lus txhais tau hais. Hauv kev lag luam, "Teflon" tau dhau los ua lub npe hu ua PTFE, thiab ntau tus neeg muag khoom siv lo lus no los piav qhia lawv cov khoom yam tsis tau kev tso cai - ib qho kev coj ua tshwj xeeb tshaj yog nyob rau hauv Suav teb kev tsim khoom: thaum cov neeg siv khoom thov "Teflon raj," cov neeg muag khoom thoob ntiaj teb lees paub qhov no hais txog PTFE raj. Ntawm Besteflon, peb feem ntau ntsib cov lus nug zoo li no; tom qab lees paub cov lus qhia ntawm cov khoom siv, peb ib txwm qhia PTFE hauv cov ntaub ntawv raug cai kom tsis txhob muaj kev tsis meej.
Vim li cas "Teflon" tsis tas yuav hais txog PTFE?
Yog tias Teflon tsuas yog lub npe lag luam rau PTFE xwb, qhov teeb meem yuav yooj yim to taub. Txawm li cas los xij, qhov tseeb, Chemours ua lag luam ntau dua ib qho fluoropolymer nyob rau hauv lub npe lag luam Teflon®. Qhov tseeb no yog qhov ua rau muaj kev tsis meej pem hauv kev yuav khoom thiab qhia txog qhov tsim nyog rau kev ua kom raug dua hauv cov ntaub ntawv qhia txog kev qhia.
Tam sim no Chemours muag cov ntaub ntawv hauv qab no raws li hom Teflon®:
| Hom khoom siv | Teflon®Lub Npe Hom | Lub npe tshuaj lom neeg | Cov Lus Qhia |
| PTFE | Teflon® PTFE | Polytetrafluoroethylene | Teflon yooj yim tshaj plaws |
| PFA | Teflon® PFA | Perfluoroalkoxy polymer | Pob tshab, vuam tau |
| FEP | Teflon® FEP | Fluorinated Ethylene Propylene | Pob tshab thiab yoog tau |
| AF | Teflon® AF | Amorphous fluoropolymer | Cov Ntawv Thov Kho Qhov Muag Tshwj Xeeb |
Qhov no txhais tau tias thaum tus neeg muag khoom hais tias "peb muab Teflon tubing," lawv yuav xa mus rau PTFE tubes, PFA tubes, lossis FEP tubes. Peb cov ntaub ntawv no sib txawv heev hauv lawv qhov kev tiv taus kub siab tshaj plaws, cov kev xav tau ua tiav, thiab tus nqi; ib qho yuam kev ntawm ib tus cwj pwm tuaj yeem ua rau muaj qib kev ua tau zoo sib txawv kiag li thaum xa khoom.
Lus Qhia: Ib txwm siv cov npe tshuaj (PTFE/PFA/FEP) hauv cov ntawv xaj yuav khoom, cov lus qhia tshwj xeeb, thiab cov ntawv cog lus; tsis txhob siv "Teflon." Qhov no tsis yog kev thuam xwb tab sis yog txoj hauv kev yooj yim tshaj plaws los tiv thaiv kev tsis sib haum xeeb ntawm kev xa khoom. Nco ntsoov tias txhua yam BesteflonCov khoom siv PTFEraug sau nrog cov npe tshuaj lom neeg es tsis yog "Teflon" - vim tias qhov tseeb dua qhov yooj yim.
Leej twg yog tus tswv ntawm lub cim lag luam Teflon®?
Txawm hais tias kev muaj lub cim lag luam yuav zoo li yog ib qho teeb meem raug cai, nws txiav txim siab ncaj qha seb koj cov neeg muag khoom puas tuaj yeem siv lo lus "Teflon" raws li txoj cai thiab cov ntaub ntawv twg siv rau hauv "Teflon tube" uas koj yuav.
Keeb Kwm ntawm Lub Cim Lag Luam
•Xyoo 1938,DuPont tus kws tshawb fawb Roy Plunkett tau tshawb pom PTFE.
•Xyoo 1945:DuPont tau sau npe rau lub cim lag luam Teflon® thiab pib ua lag luam.
•Xyoo 2015:DuPont tau faib nws txoj kev lag luam tshuaj lom neeg ua haujlwm mus rau hauv lub tuam txhab ywj pheej Chemours, nrog rau lub cim lag luam Teflon® rau Chemours.
•Sdeb heev, Chemours tuav lub cim lag luam Teflon® thiab muab cov cai tso cai rau cov neeg yuav khoom PTFE resin thoob ntiaj teb.
Qhov no txhais li cas rau kev yuav khoom?
Kev muaj cai lij choj ntawm lub cim lag luam muaj ob qho txiaj ntsig rau kev yuav khoom:
1. Koj tus neeg muag khoom yuav tsis tau tso cai rau daim ntawv lo rau cov khoom nrog Teflon®.Yog tias lub tuam txhab tsim yeeb nkab siv lub logo Teflon® ntawm cov ntawv lo lossis cov vev xaib yam tsis tau txais kev tso cai los ntawm Chemours, qhov no suav tias yog kev ua txhaum cai ntawm cov cim lag luam. Qhov no tsis cuam tshuam rau qhov zoo ntawm cov khoom siv nws tus kheej - ntau lub Hoobkas hauv Suav teb siv cov PTFE resin tsim hauv tebchaws (piv txwv li, Dongyue, Haohua, thiab lwm yam), uas ua tau raws li cov qauv kev ua tau zoo - tab sis koj tsis tuaj yeem sau cov khoom kawg nrog Teflon®.
2. "Lub raj Teflon" tsis tuaj yeem siv ua lub hauv paus rau kev lees txais.Daim ntawv xaj yuav khoom yuav tsum teev meej tias yog "Teflon tube"; tus neeg muag khoom tuaj yeem xa txhua hom fluoropolymer yeeb nkab. Tsuas yog teev meej tias yog "PTFE tube" lossis "PFA tube" thiaj li siv tau ua tus qauv lees txais kev siv tshuab yog tias muaj kev tsis sib haum xeeb.
Cov khoom ntawm PTFE los ntawm ntau qhov chaw sib txawv puas zoo ib yam?
Tom qab piav qhia txog cov teeb meem hais txog cov cim lag luam thiab cov kev cai sau npe, qhov kev txhawj xeeb tom ntej rau cov pab pawg yuav khoom yog: Cov ntaub ntawv PTFE los ntawm ntau qhov chaw sib txawv puas muaj cov yam ntxwv zoo sib xws? Cov lus teb yog "yeej zoo ib yam, nrog rau kev hloov pauv me me" - cov kev sib txawv no feem ntau tsis cuam tshuam rau kev ua tau zoo hauv feem ntau daim ntawv thov tab sis yuav ua rau muaj kev cov nyom hauv cov xwm txheej siab.
Cov khoom sib xws ntawm txhua yam khoom siv PTFE
Cov qauv tshuaj lom neeg ntawm PTFE muaj cov saw hlau uas tsim los ntawm cov pa roj carbon-fluorine, thiab tseem zoo ib yam tsis hais seb cov khoom siv raw yog los ntawm Chemours, Daikin, Dongyue, lossis lwm tus neeg muag khoom. Cov khoom hauv qab no yog sib xws thoob plaws txhua hom PTFE:
• Kev tsis muaj tshuaj lom neeg - yuav luag tsis muaj kev cuam tshuam tshuaj lom neeg tshwm sim.
• Qhov kub ua haujlwm ntau yam: -65°C txog +260°C
• Kev sib txhuam coefficient - 0.1, qis heev rau cov khoom khov kho
• Cov khoom dielectric - Dielectric tas mus li: 2.1; Dielectric zog: 25 kV/mm2
• Tsis nplaum - Yuav luag txhua yam khoom tsis lo
Tej yam sib txawv yuav tshwm sim li cas
Cov qauv tshuaj zoo sib xws tsis txhais tau tias sib npaug tag nrho ntawm txhua yam khoom PTFE. Cov yam hauv qab no yuav ua rau muaj kev hloov pauv ntawm cov khoom los ntawm ntau pawg lossis cov neeg muag khoom sib txawv:
| Cov Yam Sib Txawv | Lub voj voog ntawm kev cuam tshuam | Qhov Xwm Txheej Ib Txwm Muaj |
| Qhov loj ntawm cov khoom me me ntawm cov resin | Kev kam rau siab extrusion, qhov chaw tiav | Cov hlab ntsha microcapillary muaj kev nkag siab ntau dua rau qhov loj ntawm cov khoom me me. |
| Kev faib tawm ntawm qhov hnyav molecular | Cov cuab yeej tiv thaiv kev nkag thiab kev tiv thaiv siab mus sij hawm ntev | Cov kav dej siab thiab kub |
| Cov Khoom Ntxiv/Cov Khoom Sau | Xim, kev coj ua hluav taws xob, kev hnav tsis kam | PTFE uas muaj fiber ntau ntxiv, PTFE uas muaj carbon ntxiv |
| Txheej Txheem Extrusion | Sab hauv phab ntsa du thiab sib sau ua ke | HPLC analytical cuab yeej |
| Txheej Txheem Sintering | Crystallinity, lub zog kho tshuab | Cov khoom siv siab precision |
Cov lus qhia tseem ceeb rau kev yuav khoom:Rau cov ntawv thov uas muaj kev ua tshuaj lom neeg ib txwm muaj lossis kev siv hauv kev lag luam dav dav, kev hloov pauv ntawm cov khoom siv raw tsis tseem ceeb. Txawm li cas los xij, yog tias qhov project tsim cov kev cai nruj rau kev kam rau sab hauv (piv txwv li, PTFE capillary tubes), kev du ntawm phab ntsa sab hauv, lossis kev tiv taus siab ntev, koj yuav tsum tsis txhob tsuas yog nyob ntawm seb cov khoom siv puas yog PTFE xwb, tab sis kuj tseem yuav tsum xyuas kom meej tias tus neeg muag khoom muaj peev xwm extrusion thiab kev tswj xyuas zoo. Cov txheej txheem tswj xyuas zoo rau BesteflonPTFE du raj—— suav nrog kev sim cua nruj, kev sim hydrostatic siab tuav, nrog rau ntau qhov kev txheeb xyuas xws li kev sim siab siab, kev sim hydraulic tawg thiab kev sim khoov qaug zog, xyuas kom meej tias cov khoom ua tau raws li cov qauv ntawm kev lag luam fluoroplastic. Nws yog tsim tshwj xeeb rau cov xwm txheej siab zoo li no.
Yuav tsum sau li cas rau ntawm daim ntawv xaj khoom?
Cov kev sib tham tau hais txog qhov sib txawv ntawm cov kev cai sau npe, cov cim lag luam, thiab cov ntaub ntawv, thaum kawg tsom mus rau ib lo lus nug uas siv tau: yuav tsum teev cov ntsiab lus no li cas hauv cov ntawv xaj yuav khoom thiab cov lus qhia txog kev siv tshuab?
Siv cov npe tshuaj lom neeg, tsis yog cov npe lag luam
| Kev Sau Ntawv | Pom zoo los tsis pom zoo | Vim li cas |
| PTFE raj | ✅ Pom zoo | Qhov tseeb, tsis meej, thiab tus qauv kev lag luam |
| Lub raj polytetrafluoroethylene | ✅ Pom zoo | Cov qauv sau ntawv uas raug cai tshaj plaws, tsim nyog rau cov ntawv cog lus thiab cov lus qhia txog kev siv tshuab. |
| Teflon raj | ❌ Tsis pom zoo | Tej zaum yuav xa mus rau ib qho ntawm PTFE, PFA, lossis FEP. |
| Teflon® PTFE raj | ⚠️ Tsuas Yog Muaj Cai Xwb | Yog tias xav tau daim ntawv lo, yuav tsum paub tseeb tias cov khoom siv raw yog los ntawm Chemours. |
Tsuas yog sau lub npe ntawm cov ntaub ntawv xwb tsis txaus
Tsuas yog hais tias "PTFE tube" tsis txaus. Cov lus qhia txog kev yuav khoom tiav yuav tsum muaj cov hauv qab no:
•Khoom Qib:Qib Txheem / Qib Khoom Noj (ua raws li FDA 21 CFR 177.1550) / Qib Kho Mob
•Loj: ID × OD × Phab ntsa tuab, nrog rau qhov yuav tsum tau ua siab ntev
•Ntev thiab Ntau Npaum Li Cas
•Siv Cov Ntaub Ntawv:Pab cov neeg muag khoom txiav txim siab seb puas xav tau kev tswj xyuas zoo tshwj xeeb
•Cov ntawv pov thawj thiab cov ntawv qhia kev xeem uas yuav tsum tau ua
Hauv Besteflon cov txheej txheem hais nqe, thawj kauj ruam uas cov engineers ua yog xyuas kom meej cov kev ntsuas no. Qhov no tsis yog kev thuam - es, qhov meej dua cov lus qhia tau txhais, qhov kev xa khoom yooj yim dua thiab qhov yuav tsum tau ua haujlwm tsawg dua.
Cov Lus Nug Feem Ntau
Nov yog cov lus nug uas cov neeg siv khoom feem ntau nug txog "PTFE vs Teflon." Yog tias koj qhov xwm txheej tsis raug them, thov nug peb cov engineers ncaj qha rau kev pab.
Q: Tus neeg muag khoom hais tias siv "Teflon khoom" - qhov ntawd puas ntseeg tau?
A: Yuav tsum tau piav qhia ntxiv. Yog tias lawv hais txog Chemours 'Teflon® hom PTFE resin, koj yuav tsum thov pov thawj ntawm cov khoom siv raw. Yog tias "Teflon" tsuas yog siv ua lo lus dav dav rau PTFE (uas yog ib txwm muaj hauv kev lag luam), cov khoom siv raw tuaj yeem los ntawm txhua tus neeg muab khoom PTFE resin - qhov no tsis tas yuav muaj teeb meem, tab sis nws tsis tuaj yeem xav tias yog los ntawm Chemours. Rau feem ntau ntawm cov ntawv thov kev lag luam, cov khoom siv PTFE zoo tsim hauv tsev (xws li cov los ntawm Dongyue lossis Haohua) ua tau raws li txhua qhov kev xav tau kev ua tau zoo.
Q: Puas siv tau lo lus "Teflon" luam tawm rau ntawm lub raj PTFE?
A: Yog tias cov khoom siv yeeb nkab tsis siv Chemours 'Teflon® resin lossis tsis muaj kev tso cai los ntawm Chemours rau lub cim lag luam, kev luam tawm "Teflon" rau ntawm cov khoom suav tias yog kev ua txhaum cai ntawm lub cim lag luam. Nws raug pom zoo kom luam tawm "PTFE" rau ntawm cov yeeb nkab - txoj hauv kev no yog ob qho tib si ua raws li txoj cai thiab meej.
Q: Chemours cov PTFE resins qis dua npaum li cas piv rau cov khoom PTFE tsim hauv tebchaws?
A: Hauv cov ntawv thov kev lag luam ib txwm muaj, kev hloov pauv tsis tseem ceeb. Qhov sib txawv tseem ceeb feem ntau tshwm sim hauv qab qhov xwm txheej hnyav: kev ruaj khov ntawm lub raj xa dej ultrafine capillary (ID <0.5mm), kev tiv thaiv creep ntawm qhov kub siab ntev (> 200 ℃), thiab cov kev cai huv huv tshwj xeeb rau kev siv kho mob lossis semiconductor. Yog tias koj daim ntawv thov tsis cuam tshuam nrog cov xwm txheej hnyav no, cov khoom siv raw tsim hauv tsev tuaj yeem ua tau raws li qhov xav tau ntawm tus nqi qis dua.
Q: Kuv tus neeg siv khoom thov "Teflon raj" - kuv yuav tsum ua li cas ntxiv?
A: Paub meej nrog tus neeg siv khoom seb lawv puas xav tau PTFE raj lossis PFA/FEP raj. Feem ntau, thaum cov neeg siv khoom hais txog "Teflon raj," lawv yeej hais txog PTFE raj. Thaum paub meej lawm, hloov "Teflon raj" nrog "PTFE raj" hauv daim ntawv cog lus ua cov lus qhia tshwj xeeb kom tsis txhob muaj kev tsis sib haum xeeb yav tom ntej.
Q: Kuv yuav ua li cas thiaj paub qhov txawv ntawm PTFE, PFA, thiab FEP sai sai?
A: Txoj kev yooj yim tshaj plaws: opaque = PTFE, semi-transparent = PFA, fully transparent = FEP. Cov kua hauv FEP pom tseeb los ntawm lub raj; cov uas nyob hauv PFA zoo li pom tab sis me ntsis tsis meej; thaum cov uas nyob hauv PTFE tsis pom kiag li. Qhov no tsuas yog kev ntsuam xyuas sai xwb - rau kev xaiv meej, saib daim ntawv sib piv 7-seem hauv tsab xov xwm.PTFE vs PFA vs FEP Tubing.
Q: Vim li cas "Teflon" thiaj li hais txog ntawm Besteflon'slub vev xaib?
A: Besteflon tau txais kev tso cai siv lub cim lag luam Teflon® thiab ua haujlwm raws li kev cai lij choj. Peb yog cov chaw tsim khoom tshwj xeeb ntawm Teflon raj, suav nrog PTFE raj thiab PFA / FEP raj.
Yog tias koj nyob hauv PTFE Tube, koj yuav nyiam
Kev yuav PTFE Tube zoo tsis yog tsuas yog hais txog kev xaiv cov lus qhia sib txawv rau cov ntawv thov sib txawv xwb. Ntau ntxiv rau kev xaiv lub chaw tsim khoom txhim khu kev qha.BesteflonFluorine yas Industry Co., Ltd. tshwj xeeb hauv kev tsim cov yeeb nkab PTFE zoo thiab cov raj rau 20 xyoo. Yog tias muaj lus nug thiab xav tau, thov koj xav tiv tauj peb kom tau txais cov lus qhia ntxiv.
Lub sijhawm tshaj tawm: Lub Rau Hli-26-2026