PTFE yog cov yas ruaj khov tshaj plaws uas paub tam sim no. Nws siv dav hauv ntau yam lag luam uas muaj huab cua hnyav. Vim nws muaj kev ua tau zoo heev, nws maj mam dhau los ua cov khoom tseem ceeb hauv cov khoom yas (Tag nrho hu ua Polytetrafluoroethylene). Yog li ntawd, kuj muaj ntau thiab ntau lub tuam txhab tsim cov khoom zoo li no. PTFE tuaj yeem ua rau ntau hom khoom, xws li cov raj, cov pas nrig, cov phaj, cov gaskets, cov yeeb yaj kiab, thiab lwm yam, uas siv rau ntau qhov chaw.
PTFE raj yog dab tsi?
Polytetrafluoroethylene (hu ua PTFE), feem ntau hu ua "Yas Vaj Ntxwv", yog ib qho polymer molecular siab tau los ntawm polymerizing tetrafluoroethylene ua ib tug monomer, uas yog dawb los yog translucent. Cov khoom no tsis muaj cov pigments los yog additives, thiab muaj cov yam ntxwv ntawm acid thiab alkali tsis kam, tsis kam rau ntau yam organic solvents, thiab yuav luag insoluble nyob rau hauv txhua yam solvents. Tsis tas li ntawd, PTFE muaj ntau yam kub thiab siv tau ntev ntawm -65 ° C ~ 260 ° C nyob rau hauv ib txwm siab. Nws yog tsim los ntawm paste extrusion txoj kev. PTFE tubing tsim los ntawm kev siv paste extrusion yog saj zawg zog thiab nws tuaj yeem tsim PTFE tubing nrog sab hauv diameters me me li 0.3 hli txog li 100 hli thiab phab ntsa thicknesses me me li 0.1 hli txog 2 hli. Yog li ntawd, polytetrafluoroethylene (PTFE) tubing yog ib yam khoom siv tau ntau yam uas muaj ntau yam kev siv hauv ntau yam lag luam sib txawv.
Vim li cas PTFE raj siv dav dav:
1. Ua haujlwm tau kub heev, tsis yaj hauv cov kuab tshuaj. Nws tuaj yeem tiv taus kub txog li 300 ° C hauv lub sijhawm luv luv, thiab feem ntau siv tau tas li ntawm 200 ° C thiab 260 ° C, nrog kev ruaj khov thermal zoo.
2. Tsis tshua muaj qhov kub thiab txias, zoo mechanical toughness ntawm qhov kub thiab txias qis, txawm tias qhov kub poob rau -65 ℃, nws yuav tsis ua embrittled, thiab nws tuaj yeem tswj tau 5% elongation.
3. Tiv taus xeb, tsis muaj zog rau feem ntau cov tshuaj lom neeg thiab cov kuab tshuaj, tiv taus cov kua qaub thiab alkalis muaj zog, dej thiab ntau yam kuab tshuaj organic, tuaj yeem tiv thaiv cov khoom los ntawm txhua yam kev xeb tshuaj.
4. Tiv thaiv kev laus, nyob rau hauv lub nra hnyav, muaj ob qhov zoo ntawm kev hnav tsis kam thiab tsis lo. Lub neej laus zoo tshaj plaws hauv cov yas.
5. Muaj roj nplua nyeem ntau, qhov sib txhuam qis tshaj plaws ntawm cov khoom khov. Qhov sib txhuam hloov pauv thaum lub nra hnyav swb, tab sis tus nqi tsuas yog nyob nruab nrab ntawm 0.05-0.15. Yog li ntawd, nws muaj qhov zoo ntawm kev tiv thaiv pib qis thiab kev ua haujlwm du rau kev ua cov bearings.
6. Kev tsis lo yog qhov me tshaj plaws ntawm qhov nro ntawm cov khoom khov, thiab tsis lo rau ib yam khoom twg. Yuav luag txhua yam khoom yuav tsis lo rau nws. Cov zaj duab xis nyias heev kuj qhia tau tias nws tsis lo.
7. Nws tsis muaj ntxhiab, tsis muaj saj, tsis muaj tshuaj lom, tsis muaj zog, thiab tsis muaj kev phiv tshuaj thaum muab tso rau hauv lub cev ua cov hlab ntsha thiab cov kabmob dag rau lub sijhawm ntev.
8. Lub teeb yuag thiab yoog tau. Txo qhov siv zog ntawm tus neeg teb xov tooj.
Qee qhov kev siv ntau ntawm PTFE raj:
1. Kev Lag Luam Tshuaj
Vim lawv cov tshuaj lom neeg tiv taus yuav luag txhua yam tshuaj, PTFE raj yog qhov zoo tagnrho rau kev siv hauv kev lag luam tshuaj lom neeg. Qhov no suav nrog kev lag luam semiconductor. Cov txheej txheem niaj hnub hauv kev tsim khoom semiconductor xav tau kev nyab xeeb ntsuas thiab thauj cov kua corrosive (acids thiab bases). Cov no tuaj yeem ua rau lub raj xa khoom puas tsuaj loj heev hauv lub sijhawm luv luv.
2. Kev lag luam tsheb
Hauv lub cav tsheb, cov yeeb nkab zoo ua los ntawm PTFE yog siv rau kev ua kom roj evaporation thiab cov roj rails. Xws li cov yeeb nkab roj, cov yeeb nkab turbocharger, cov yeeb nkab txias, cov yeeb nkab nres tsis siv neeg, cov yeeb nkab nres maus taus, cov yeeb nkab cav diesel, cov yeeb nkab sib tw thiab cov yeeb nkab tswj fais fab. Cov yam ntxwv ntawm kev tiv taus kub thiab txias qis, kev tiv taus siab, kev tiv taus hnav thiab kev tiv taus corrosion ntawm PTFE raj ua rau nws muaj lub neej ntev yam tsis tas hloov pauv ntau zaus.
3. Kev lag luam luam ntawv 3D
Hauv kev luam ntawv 3D, cov filament yuav tsum tau hloov mus rau lub nozzle luam ntawv, uas yuav tsum tau ua nyob rau hauv qhov kub siab. PTFE tubing yog cov polymer nyiam tshaj plaws hauv kev lag luam luam ntawv 3D vim nws cov coefficient kub siab thiab cov khoom tsis lo, uas pab txav cov khoom yooj yim los ntawm lub nozzle.
4. Kev lag luam kho mob
Cov khoom tshwj xeeb ntawm PTFE cov raj kuj suav nrog qhov yooj yim los ntxuav qhov chaw. Nyob rau hauv kaum xyoo dhau los, PTFE tubing tau siv ntau dua hauv cov khoom siv kho mob. Vim yog qhov sib txhuam qis ntawm PTFE tubing, nws txhais tau tias nws muaj qhov chaw du heev uas tsis npog lossis pab txhawb kev loj hlob ntawm cov kab mob. Ntawm lawv, cov hoses siv rau cannulas, catheters, pipettes thiab endoscopes.
5. Kev lag luam zaub mov
Vim nws yooj yim ntxuav thiab tsis lo, PTFE tubing siv tau rau hauv kev lag luam zaub mov. Tshwj xeeb, cov raj ua los ntawm PTFE tsis tau ntim yog qhov tsim nyog vim lawv qhov kev tsis sib haum xeeb ntawm lub cev thiab ua raws li cov lus qhia ntawm US Food and Drug Administration. Yog li ntawd, nws tau ua pov thawj tias tsis muaj teeb meem thaum kov cov yas thiab txhua yam zaub mov.
Kev yuav cov PTFE tubing zoo tsis yog tsuas yog hais txog kev xaiv cov lus qhia sib txawv rau cov ntawv thov sib txawv. Ntau ntxiv rau xaiv lub chaw tsim khoom txhim khu kev qha. Besteflon Fluorine yas Industry Co., Ltd. tshwj xeeb hauv kev tsim cov PTFE hoses thiab cov raj zoo rau 15 xyoo. Yog tias muaj lus nug thiab xav tau, thov koj xav sab laj nrog peb kom tau txais cov lus qhia ntxiv.
Cov Lus Qhia Txog
Lub sijhawm tshaj tawm: Lub Yim Hli-13-2022