Los ntawm kev sib piv cov kev ua tau zoo ntawm PTFE thiab lwm yam yas, tsab xov xwm no qhia txog cov teeb meem hauv daim ntawv thov PTFE hauv kev siv tshuab engineering thiab qhia txog kev hloov kho PTFE uas muaj nyob rau hauv zawv zawg qhia rails, kev sib txhuam qhov chaw, cov ntsaws ruaj ruaj, cov khoom tiv thaiv corrosive, cov khoom siv, kev ua liaj ua teb machinery. cov ntaub ntawv, thiab lwm yam kev siv, thiab kev cia siab rau kev siv tshuab tshiab.Los ntawm kev sib piv cov kev ua tau zoo ntawm PTFE thiab lwm yam yas, tsab xov xwm no qhia txog cov teeb meem hauv daim ntawv thov PTFE hauv kev siv tshuab engineering thiab qhia txog kev hloov kho PTFE uas muaj nyob rau hauv zawv zawg qhia rails, kev sib txhuam qhov chaw, cov ntsaws ruaj ruaj, cov khoom tiv thaiv corrosive, cov khoom siv, kev ua liaj ua teb machinery. cov ntaub ntawv, thiab lwm yam kev siv, thiab kev cia siab rau kev siv tshuab tshiab.

Los ntawm kev sib piv cov kev ua tau zoo ntawm PTFE thiab lwm yam yas, tsab xov xwm no qhia txog cov teeb meem hauv daim ntawv thov ntawm PTFE hauv tshuab engineering thiab qhia txog qhovhloov PTFEmuaj nyob rau hauv zawv zawg qhia rails, kev sib txhuam qhov chaw, cov ntsaws ruaj ruaj, anti-corrosive qhov chaw, cov ntaub ntawv siv, cov khoom siv ua liaj ua teb, thiab lwm yam kev siv, thiab kev cia siab rau kev siv tshuab tshiab.

PTFE resin yog thawj zaug tsim los ntawm American chemist Dr. Plunket nyob rau hauv 1938, thiab industrialized ntau lawm tiav nyob rau hauv lub 1950s.kuv lub teb chaws tau raug muab tso rau hauv kev tsim khoom hauv xyoo 1960s.PTFE feem ntau hu ua "King of Plastics", thiab tau siv dav hauv ntau yam rau nws cov khoom tshwj xeeb.Nws muaj qhov kub thiab txias tsis kam, tsis-oxidation, insolubility, tshwj xeeb tshaj yog zoo tshuaj stability, thiab zoo heev dielectric zog, ua rau nws yog ib qho tseem ceeb indispensable ntaub ntawv rau yuav luag tag nrho cov lag luam sectors mas nyob rau hauv cov tshuaj thiab mechanical industries.

1. Lubricity ntawm tus kheej

Kev sib txhuam coefficient ntawm PTFE yog me dua li lwm yam yas yas.Nws yog qhov qis tshaj kev sib txhuam coefficient ntawm cov paub siv sliding nto cov ntaub ntawv.Nws yog ib qho zoo tagnrho lubricating khoom.

2. Tshuaj tiv thaiv

Vim tias PTFE tsis muaj ob daim ntawv cog lus thiab cov ceg ntoo hauv nws cov qauv molecular thiab crystallization siab, nws muaj cov tshuaj tiv thaiv zoo heev thiab yog qhov zoo tshaj plaws ntawm cov khoom siv hluav taws xob paub.Nws tsis cuam tshuam nrog concentrated acids, dilute acids, concentrated alkalies, thiab muaj zog oxidants txawm nyob rau hauv high-kub ib puag ncig.Nws yuav tsis raug corroded txawm tias nws yog boiled, thiab nws tsis muaj kev cuam tshuam nrog feem ntau cov kuab tshuaj xws li cawv, thiab ketones.

3. Kev nqus dej

PTFE muaj qhov nqus dej tsawg heev, uas yog sib npaug rau UHMWPE thiab tsis o hauv dej.

4. Ntau yam ntawm qhov kub thiab txias

PTFE tuaj yeem siv tsis tu ncua ntev li ntawm 200% txog 260%.Txawm tias nyob rau hauv qhov kub ntawm 200 ℃, nws tsis yog nkig, thiab nws muaj peev xwm tswj tau ib qho kev hloov pauv.

5. Tsis nplaum

PTFE yog cov khoom siv nrog lub zog me tshaj plaws nyob rau tam sim no.Qhov nro saum npoo tsuas yog 0.019N / m.Yuav luag tag nrho cov khoom siv tsis tuaj yeem ua raws li nws qhov chaw.

6. Hnav tsis kam

Pure Teflon tsis yog hnav-tiv taus, tab sis qhov sib ntxiv ntawm ntau cov khoom siv rau Teflon txhim kho qhov hnav tsis kam, thiab nws hnav-tiv taus ntau dua li qee cov ntaub ntawv uas feem ntau siv los ua kev sib txhuam (xws li cam khwb cia hlau thiab tooj liab).

7. Hygienic thiab tsis muaj tshuaj lom

PTFE yog huv si thiab tsis muaj tshuaj lom, ua tau raws li cov qauv kev tu cev, thiab tuaj yeem tiv tauj cov zaub mov thiab tshuaj.

8. Cov hluav taws xob rwb thaiv tsev zoo heev

PTFE yog ib yam khoom uas tsis yog-polar nrog zoo heev dielectric zog, nws tawg voltage yog 25-40KV / hli;qhov tsis kam yog qhov loj heev, thiab qhov ntim tshwj xeeb kuj tseem siab li 1061 ~ ntawm 200.

9. Ua tiav tsis-combustible

Lub melting point ntawm PTFE yog 327, uas yog siab tshaj lwm yam polymers.Ntawm 260%, nws lub zog tawg tseem yog 5 MPa (txog 1/5 ntawm chav tsev kub), thiab nws lub zog flexural ncav cuag 1.4 MPa.Nws muaj nuj nqis heev uas tsis yog-combustibility, nws txwv oxygen Performance index yog siab dua 95, nws tsuas yog melted ntawm nplaim hluav taws, tsis muaj tee me me, thiab thaum kawg, nws tsuas yog carbonized.

10.Excellent aging kuj thiab hluav taws xob tsis kam

PTFE tsis yog tsuas yog dimensionally ruaj khov ntawm qhov kub thiab txias, tab sis nws cov kev ua tau zoo kuj tsis hloov nyob rau hauv ib puag ncig hnyav, thiab nws tsis tawm tsam los ntawm cov kab mob hauv lub xeev ntub, thiab nws muaj kev tiv thaiv ntau yam hluav taws xob.

11. Lwm yam khoom

PTFE muaj tsawg hardness thiab mos zoo nkauj, thiab muaj peev xwm nqus thiab muaj cov khoom txawv teb chaws, nws yog ib qho yooj yim rau txheej txheem.

1. Lub hom phiaj thiab txoj kev hloov kho

Txawm hais tias PTFE muaj ntau yam zoo heev, nws kuj muaj ntau yam tsis zoo.Piv nrog rau lwm yam engineering plastics, nws cov khoom siv kho tshuab tsis zoo heev;lub coefficient ntawm linear expansion yog loj;molding shrinkage tus nqi yog qhov loj, thiab cov txheej txheem thib ob yog qhov nyuaj;lub hardness yog tsawg thiab hnav-resistant kev ua haujlwm tsis zoo;tsis zoo creep tsis kam, yooj yim txias txaus;thermal conductivity tsis zoo thiab tus nqi siab dua.Cov kev tsis zoo no txwv nws txoj kev siv dav rau ib qho twg.Lub hom phiaj ntawm kev hloov kho yog los txhim kho cov khoom siv kho tshuab;txhim kho hnav tsis kam;txo linear expansion;txhim khu fluidity, thiab lwm yam.

2. Hom thiab kev ua haujlwm ntawm cov khoom siv hloov pauv

Filling thiab hloov kho PTFE nrog iav fiber ntau, graphite, molybdenum disulfide, silicon dioxide, aluminium oxide, bronze hmoov, carbon fiber, thiab lwm yam tuaj yeem txhim kho nws qhov tawv tawv, hnav tsis kam, nkag siab, khoov lub zog, tsis kam ua kom muaj zog thiab qhov ruaj khov.Lub hardness ntawm PTFE compounded los ntawm iav fiber feem ntau yuav nce 10%, thiab hnav tsis kam tuaj yeem nce ntau dua 500 zaug.Lub creep kuj thiab txias txaus kuj tau zoo heev thiab txhim kho;qhov sib ntxiv ntawm molybdenum disulfide pab Lub hardness thiab rigidity ntawm PTFE cov khoom yog txhim kho, thiab thawj coj yog txo;PTFE ntim nrog graphite muaj tshuaj lom neeg zoo heev, compression creep, thiab zoo thermal conductivity;PTFE ntim nrog tooj liab hmoov tuaj yeem txhim kho qhov nkag siab ntawm cov khoom defenestration, muaj zog, hardness, thiab seem stability.

1. swb rail

Cov lus qhia zawv zawg feem ntau yog lub hauv paus rau kev teeb tsa ntawm cov hlau txiav tshuab, cov cuab yeej kho mob, thiab ntau lwm cov tshuab thiab cov cuab yeej siv, lub hauv paus ntawm qhov tseeb thiab lub hauv paus ntawm qhov chaw, los yog kos npe ntawm lub neej ntawm cov tshuab no, thiab yog ib feem tseem ceeb. ntawm lub tshuab.Nyob rau hauv lub tshuab cuab yeej tsim kev lag luam, feem ntau lub tshuab cuab yeej qhia rail khub yog cam khwb cia hlau-cam khwb cia hlau, cam khwb cia hlau-quenched cam khwb cia hlau, cam khwb cia hlau-quenched steel, thiab lwm yam. Txawm li cas los xij, vim nws lub cev muaj zog, coefficient ntawm kev sib txhuam ntawm cov hlau yog. loj, nws tsis hnav-resistant, nws tsis tuaj yeem ua haujlwm nyob rau hauv kev sib txhuam qhuav, thiab nkag mus ntawm qhov nrawm thiab me me.Qhov kev nkag mus no yuav cuam tshuam rau kev pub khoom raug thiab qhov tseeb ntawm cov cuab yeej siv tshuab, tshwj xeeb tshaj yog cov cuab yeej siv tshuab precision.Kev vam meej.Thaum siv cov lus qhia PTFE puv, qhov qis-ceev stability ntawm lub tshuab cuab yeej zoo heev.Vim hais tias cov yas qhia kev tsheb ciav hlau muaj cov yam ntxwv ntawm cov khoom faus txawv teb chaws, cov ntaub ntawv hlau thiab cov xuab zeb tuaj yeem muab tso rau hauv cov yas kom tsis txhob hnav thiab tsim kua muag, tiv thaiv kev kos duab thiab khawb ntawm cov hlau nto, thiab tuaj yeem tiv thaiv lub txaj qhia kev tsheb nqaj hlau.PTFE uas muaj bronze hmoov thiab lwm yam fillers muaj kev sib txhuam zoo heev.Tom qab hloov zaj duab xis yog tsim los ntawm cov hlau nto, qhov kev sib txhuam coefficient txo qis heev, lub peev xwm ntawm cov yeeb yaj kiab hloov pauv tau zoo heev, thiab lub neej ua haujlwm zoo kuj txuas ntxiv mus.Yog hais tias nws yog txuam nrog ib tug hlau tshuab cuab yeej qhia, nws cov kev sib txhuam coefficient tseem nyob tas li raws li qhov zawv zawg ceev nce.Yog li ntawd, qhov zoo ntawm PTFE phau ntawv qhia kev tsheb ciav hlau no yuav tsis tsim cov phenomena nyob rau hauv qis ceev thiab micro pub, thiab nws kuj muaj kev vibration absorption thiab cushioning kev ua tau zoo.Kev sib txhuam coefficient ntawm PTFE phau ntawv qhia kev tsheb ciav hlau yog 0.05 thaum kev sib txhuam qhuav, thiab 0.03 thaum muaj roj lubrication, tsis hais seb lub tshuab cuab yeej qhia kev tsheb ciav hlau puas muaj roj lubricating los yog tsis, nws txoj haujlwm ua haujlwm yog du li sai tau.Thaum PTFE phau ntawv qhia kev tsheb ciav hlau yuav tsum tau kho tom qab hnav, kev saib xyuas kev ua haujlwm yog txuag zog heev thiab tuaj yeem hloov pauv.Nws yog ib qho yooj yim los tuav qhov tseeb qhov tseeb.Tshwj xeeb tshaj yog thaum txoj kev tsheb ciav hlau puas lawm thiab yuav tsum tau kho, nws yog qhov zoo dua los siv cov yas rau kev kho hauv zos.

2. Kev sib txhuam qhov chaw

Muaj ntau qhov kev sib txhuam PTFE feem ntau siv hauv kev tsim kho tshuab, suav nrog cov kabmob, lub nplhaib piston, thiab lub zog.PTFE yog cov khoom siv zoo tshaj plaws rau piston rings thiab yog siv dav hauv cua compressors thiab dej compressors.PTFE piston nplhaib ua raws li lub nplhaib compression los thaiv cov kua lossis roj.Nws yog feem ntau siv nyob rau hauv cov xwm txheej uas lubricants los yog lwm yam hnyav hnyav tsis tuaj yeem siv, xws li kev xeb hnyav thiab kev nyab xeeb siab, tuaj yeem txo qhov hnav thiab rov ua dua boring ntawm lub tog raj kheej sab hauv phab ntsa Tus naj npawb ntawm qhov txuas txuas lub neej kev pab cuam ntawm lub tog raj kheej.Piv txwv li, muaj lub desktop chav rauj, uas yog siv lub nplhaib hlau.Thaum lub sijhawm ua haujlwm thib ob, nyob rau hauv ib txwm muaj, cov phab ntsa sab hauv ntawm lub tog raj kheej hnav mus txog 7-9ram tom qab ib nrab xyoo, lub nplhaib hlau yog vibrated rau 2 mus rau 3 lub lis piam, thiab qee zaum nws yuav tawg.Lub nplhaib piston jammed lub puab phab ntsa ntawm lub tog raj kheej thiab lub tog raj kheej yuav tsum tau hloov.Thaum siv PTFE ntim rau ib hlis, cov phab ntsa sab hauv ntawm lub tog raj kheej hnav tsuas yog 2 hli, thiab tom qab 10 lub hlis, qhov hnav tsuas yog 3 hli, thiab lub neej txuas ntxiv los ntawm 4 mus rau 5 zaug lossis ntev dua.Yuav luag tag nrho cov piston rings ua lub luag haujlwm sib khi hauv kev sib txuas lus thiab pib nquag, yog li qhov kev sib txhuam zoo li qub yuav tsum yog me me.Nyob rau hauv cov khoom me me, qhov sib txhuam zoo li qub ntawm PTFE yog 25% mus rau 75% qis dua cov piston rings ntawm lwm cov ntaub ntawv.Qhov ntau dua qhov load, qhov zoo dua nws superiority.Qhov no muaj unparalleled superiority nyob rau hauv lub teeb pib thiab reciprocating lightness.Qhov tshwm sim yog txo qis kev siv hluav taws xob, txo kev co, thiab suab nrov, uas yog qhov tsim nyog rau kev tiv thaiv ib puag ncig.Nyob rau tib lub sijhawm, PTFE tuaj yeem siv los ua lub zog thiab cov kabmob rau kev sib txuas lus thiab lub zog xa hluav taws xob hauv ntau hom kev ua haujlwm thiab ib puag ncig hnyav heev rau lub teeb textiles, luam ntawv thiab dyeing, ntawv ua, thiab kev lag luam zaub mov.

3. Cov ntsaws ruaj ruaj

Kev siv PTFE zaj duab xis compounded rau ntawm qhov chaw ntawm cov khoom siv roj hmab sealing tuaj yeem txhim kho cov kuab tshuaj tiv thaiv thiab kev tawm tsam ntawm cov roj hmab foob, thiab tus nqi kuj tsawg.Nws tau raug siv rau hauv cov kev cai sealing ntawm ntau lub sijhawm hnyav.Cov khoom ntim FE sealing muaj kev ua haujlwm siab thiab qis-kub thiab tam sim no yog lub ntsiab hloov pauv rau cov khoom siv asbestos gasket.Carbon fiber ntau zogPTFE foobcov khoom muaj cov yam ntxwv ntawm lub zog siab, siab modulus, qaug zog tsis kam, creep tsis kam, siab thermal conductivity, qis coefficient ntawm thermal expansion, thiab kev sib txhuam.Cov cuab yeej zoo no tsis sib haum los ntawm txhua yam ntawm cov khoom sib khi thiab yog cov khoom siv sealing zoo tshaj plaws.

4. Anti-corrosion qhov chaw

Hloov kho PTFE muaj kev ruaj ntseg zoo rau cov kua qaub, alkali, ntsev corrosion media, thiab tuaj yeem hloov cov hlau ceramics rau kev tiv thaiv corrosion engineering, tshwj xeeb tshaj yog tsim rau kub thiab muaj zog corrosion zaus, xws li cov khoom siv tiv thaiv corrosion, kav dej, thiab fittings hauv cov nroj tsuag tshuaj. .Corrosive kev sib txhuam cov ntaub ntawv, li qub, twj tso kua mis, cua sov exchangers, ntxeem tau daim hlau, thiab lim cov ntaub ntawv rau heev corrosive media, hauv ob sab phlu, thiab txheej ntawm cov khoom siv tshuaj.

5. Hluav taws xob rwb thaiv tsev

Hloov kho PTFE yog dav siv los ua ib txheej insulating rau hlau rods, hlab, thiab raw khoom tapes.Nws kuj yog siv los ua ib qho insulator rau ntau lub qhov (socket), kev txhawb nqa, cov khoom siv microwave siab, thiab cov khoom siv hluav taws xob rau kev lag luam electrochemical.

6. Cov khoom siv hauv tsev

Cov ntaub iav impregnated nrog PTFE dispersion yog ib qho zoo heev membrane qauv tsim khoom.Nws muaj lub teeb kis tau zoo heev, uas tuaj yeem txo tus nqi teeb pom kev zoo thiab cua txias.Durability yog ntau tshaj 20 xyoo.Nws tuaj yeem txo tus nqi ntawm kev pleev xim thiab tu.Lub sijhawm tsim kho rau lub ru tsev loj tuaj yeem ua kom luv.50%, tuaj yeem txo cov nqi khoom siv ru tsev los ntawm 50% thiab tag nrho cov nqi tsim kho los ntawm 20%.Yog li ntawd, nws yog tsim rau vov tsev cov ntaub ntawv ntawm sab nraum zoov lub tsev hais plaub, arenas, stadiums, skating rinks, ua luam dej pas dej ua ke, loj-scale exhibitions, zoos thiab botanical vaj, tsheb thauj mus los, thiab lwm yam.

7. Lubricant additives

Nyob rau hauv ciam teb lubrication tej yam kev mob, txoj kev zoo tshaj plaws los txo cov coefficient ntawm kev sib txhuam yog xaiv lubricant additives tsim nyog, thiab covPTFE hmoov tshuabyog ib qho khoom siv feem ntau siv.Cov kev sim qhia tau hais tias ntxiv qee cov khoom ntxiv rau cov roj cav tuaj yeem txuag tau li 5% ntawm cov roj cav roj.

8. Agricultural machinery cov ntaub ntawv

Siv nws tus kheej-lubricating, tawv-nplaum thiab hnav-tiv taus cov khoom ntawm PTFE puv, nws tuaj yeem ua rau hauv cov tsheb loj loj hauv ob sab phlu, excavator thoob, thiab sab hauv liner ntawm cov tsheb thauj khoom khib nyiab, thiab lwm yam, txhawm rau txhim kho kev ua haujlwm thiab kev ruaj ntseg. ntawm conveying cov ntaub ntawv.

9. Cov khoom siv niaj hnub

PTFE-coated ironworking nto yog ob qho tib si hnav-tiv taus thiab muaj kev sib txhuam tsis zoo;PTFE-coated wok thiab mov cooker muaj cov yam ntxwv ntawm cov khoom noj uas tsis yog-stick;cov hniav yog bonded los yog inlaid nrog aPTFE zaj duab xis, thiab cov hniav yog nruj thaum lub puab tsaig txav, qhov kev tiv thaiv yog ob qho tib si me me ntawm daim tawv nqaij thiab muag muag.

10. Kev txhim kho ntawm kev siv tshuab tshiab

Ntxiv rau daim ntawv thov thiab kev tshawb fawb tau ntawmPTFE tshuabkev lag luam, xav txog ob qho tib si cov ntaub ntawv kev ua tau zoo thiab cov qauv, PTFE muaj kev cia siab dav hauv kev lag luam tshuab ntawm kev lag luam tsheb, riam phom, nkoj, aerospace, thiab atomic zog, tshuaj, kev tiv thaiv ib puag ncig, thiab lwm yam.