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Qui gradus praetractationis ad fabricae fibreglas ante impregnationem requiruntur?

Views: 0     Author: Site Editor Publish Time: 2026-07-14 Origin: Site

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I.HeatTreatment/Dewaxing

1. Propositum: Totoveorganicsubstancessuchas paraffinwaxando a fibrarum faciebus omnino removeas, ita intercluso obice inter se in et glassfiber.

2.Method: Thefiberglassfabricisheatur continue orinbatchesinanovenat300°C-450°C.

3.JudgmentcriteriaforPTFE-calidi-temperate-fabricmanufacturers: Thetreated fabricsurfacieshould apparear whiteorslightlytan. Theresidualsizing contentistypically required to beless than0.2%, cedens notis notis 'calor-dewaxis fabricis' sive caloris fabricatis.

PTFE_Fabric_Usage.png

II.SurfaceChemicalTreatment

1.Corestep: Couplingagenttreatment.Commonlyusedsilanecouplingagents (exempli gratia KH-550, KH-560, A-174, etc.) applicata sunt. Theat-dewaxedfiberglassfabricis immersedinalow-concentrationa- solution, sequitur arobust chemico-solution, fibrarumt chemico-condensa.

2.Nota: Multi commercium praestabant fiberglass fabres, cum cogebant agentium (exempli gratia fabricae contextae a directo) iam habere hanc tractationem perficiendam officinam, in qua causa hoc opus erat.

III.DryingandPreheating

1.Drying / Moistureremoval: Fiberglassfabricishighlyhygroscopic.Beforeimpregnation,itmustbedriedat80°C-120°Cfor1-2hourstoreducethemoisturecontenttobelow0.1%.Thetreatedfabricshouldbe usus est statim orstoredinadesiccator, ne absorptionem moisturae praeveniat. Moistura voluntas vaporescit curando, ducens ad bullas, evacuationes, et interfaciales debilitatur.

2.Preheating: Notmandatorium, sed inprocessessuchas pultrusio, filamentum venti, andRTM (resin transferendo). Propositum est praeventum viscosity incre- mentum incontinenti cum frigido, quod inminuet-ex.

PTFE_Fabric_Heat_Resistance_Stages.png

IV.CuttingandSurfaceCleaning

1.Cutting: Cutac secundum rationem designate dimen- sionum et upanglorum laicorum, et caveat ut laxet in cutedes amoveatur pure.

2.Cleaning: Removechipsanddustgeneratedduringcutting.Forma postulationessuchaselectricalinsulationortransparentproducts, thesurfacies debet etiam abstergere cum linteo freeclothsorblownclean withcompressedair.

3.Staticeliminatio: Indryenvironmenta, fiberglassfabrictendstogeneratestaticelectricity quod attractat pulvis. Itis recommendata-eliminationequipmentsuchasion airbars.

PTFE_Fabric_Chemical_Resistance.png

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