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Kunyumba » Nkhani » PTFE Coated Nsalu » Ndi njira ziti zodzitchinjiriza zomwe zimafunika pansalu ya fiberglass isanalowetsedwe?

Ndi njira ziti zopangira mankhwala zomwe zimafunikira pansalu ya fiberglass musanalowetsedwe?

Mawonedwe: 0     Wolemba: Site Editor Nthawi Yosindikiza: 2026-07-14 Origin: Tsamba

Funsani

I.HeatTreatment/Dewaxing

1. Cholinga: Kuchotsa kwathunthu chinthu chachilengedwe monga paraffinwaxandoils kuchokera pamwamba pa ulusi, potero kuswa chotchinga pakati pa apa ndi ulusi wagalasi.

2.Njira: Magalasi a galasi amafupikitsidwa mosalekeza kapena mabatchi enaake pa kutentha kwa 300°C–450°C.Ngati kutenthako kuli kotsika,kudekha kudzakhala kosakwanira;ngati kutenthako kuli kwapamwamba kwambiri kapena kwanthawi yaitali, mphamvuzoziwonongeka kwambiri.

3.Zigawo zachiweruzo kwaPTFE opanga nsalu zotentha kwambiri: Nsalu zotchingidwa ziyenera kuwoneka zoyera zopepuka zopepuka. Pali mitundu yambiri yofananira imafunika kukhala yosakwana 0.2%, kutulutsa zomwe zimadziwika kuti 'nsalu yowonongeka-'kapena' nsalu.

PTFE_Fabric_Usage.png

II.SurfaceChemicalTreatment

1.Corestep: Couplingagenttreatment.Nthawi zambiri amagwiritsidwa ntchito ngati silanecouplingagents(monga,KH-550,KH-560,A-174, etc.)agwiritsidwanso ntchito.Magalasi osungunula-dewaxedfiberglassfabricisimmersedinalow- concentrationaqueouscouplinggentsolution,kutsatiridwa ndi kuyanika kulolakulumikizanakulumikizanakukuyandikilira pa ulusi pamwamba,kupanganarobustchemicalfilimu.

2.Dziwani: Nsalu zamagalasi zambiri zopezeka pamalonda zokhala ndi zida zolimbikitsira(monga,nsalu zolukidwa kuchokera kukulondolera)ali nazo kale chithandizochi chomwe chatsirizidwa pafakitale, chomwe chikhoza kutulutsidwa.Komabe, izi ziyenera kutsimikiziridwa.

III.Kuwumitsa ndiKutentha Kwambiri

1.Kuyanika/Kuchotsa chinyezi: Zovala za magalasi opangidwa ndi magalasi ochuluka kwambiri ahygroscopic. Asanaimitsidwe, amayenera kuyanika pa80°C–120°C kwa ola limodzi ndi awiri amachepetsa chinyezi kukhala pansi pa0.1%. amagwiritsidwa ntchito nthawi yomweyo amasunga mafuta onunkhira kuti apewenso kuyamwa kwachinyontho.

2.Kutentha koyambilira: Sikofunikira, koma nthawi zambiri amagwiritsa ntchito popanga spultrusion, filamentwinding, ndiRTM(resintransfermolding).Cholingachokuletsa mawonekedwe adzidzidziwonjezekekomwe timalumikizana ndi nsalu yozizira,yomwe ingasokoneze kunyowa-kunja.Thepreheatingly6°kutentha kotentha kwambiri6°Cstypically040.

PTFE_Fabric_Heat_Resistance_Stages.png

IV.CuttingandSurfaceCleaning

1.Kudula: Dulani molingana ndi mawonekedwe opangidwa ndi manjay-upangle, komanso kutsimikizira kuti kumasula mayansi pamizere yodulidwayo kuchotsedwa bwino.

2.Kutsuka: Chotsani tchipisi ndi fumbi lopangidwa panthawi yodula.Pamafunso ofunikira kwambiri monga magetsi osungunula kapena zinthu zowoneka bwino, pamwamba pake ayenera kupukuta ndi nsalu-yaulere kapena yowumbidwa ndi mpweya woponderezedwa.

3.Staticelimination: chilengedwe, magalasi opangidwa ndi fiberglass amatha kupanga magetsi okhazikika omwe amakopa fumbi.

PTFE_Fabric_Chemical_Resistance.png

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