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Fiberglass fabric hi impregnation hmain eng pretreatment step nge tih ngai?

Views: 0     Author: Site Editor A chhuah hun: 2026-07-14 A chhuahna: Hmun

Zawhna zawt rawh

I.HeatTreatment/Dewaxing hmanga tihdam theih a ni

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2.Thil tih dan: Fiberglassfabrici chu 300°C–450°C-ah batch-ah a lum chhunzawm zel emaw, a lum lutuk chuan dewaxing a kim lo ang;

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PTFE_Fabric_Hman dan.png

II.SurfaceChemical hmanga enkawl dan

1.Corestep a ni: Couplingagenttreatment.Silanecouplingagent(eg,KH-550,KH-560,A-174,etc.) hman tlanglawn tak takte chu hman a ni.Theheat-dewaxedfiberglassfabricisimmersedinalow- concentrationaqueouscouplingagentsolution, a hnuah a vawt a, chu chu couplingagent chu fibersurface-ah condense lehcure-a siam phalsak a ni a, bustchemicalfilm siam a ni.

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III.Drying lehPreheating

1.Drying/Moistureremoval hmanga tihfai dan: Fiberglassfabricicishighlyhygroscopic.Impregnation hmain 80°C–120°C-ah darkar 1–2 chhung a vawt tur a ni hman nghal a ni a, desiccator siamna atan a ni a, chu chuan moisture a lakluh leh loh nan.Moisture chu curing-ah a vaporized ang a, bubbles,voids, lehinterfacialbonding chak lo takah a hruai ang.

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PTFE_Fabric_Heat_Resistance_Stages.png

IV.Cutting lehSurfaceCleaning tihfai

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3.Staticelimination: Indryenvironment, fiberglassfabrictend chuan leivut hip thei electricity a siam chhuak thin.Airbar ang chistatic-eliminationequipment hman a tha.

PTFE_Fabric_Chemical_Resistance.png

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