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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.Judgmentcriteria forPTFE-calidi-temperate fabricmanufacturers: Thetreated fabricsurfaceshould apparear whiteorslightlytan. Theresidualsizing contentistypically required to beless than0.2%, cedens notis notis 'calor-dewaxis fabricis' aut caloris fabricatis.

PTFE_Fabric_Usage.png

II.SurfaceChemicalTreatment

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

2.Nota: Multi commercium praestari possunt fiberglass fabricae, cum cogantur agentium (exempli gratia fabricae contextae ex directo) iam habere hanc tractationem completam officinam, in qua causa hoc opus est.

III.DryingandPreheating

1.Drying / Moistureremoval: Fiberglassfabricishighlyhygroscopic.Beforeimpregnation,itmustbedriedat80°C-120°Cfor1-2hourstoreducethemoisturecontenttobelow0.1%.Thetreatedfabricshouldbe adhibita statim orstoredinadesiccator, ne absorptionem moisturae praeveniat. Moistura voluntas vaporescit curationis, ductus ad bullas, evacuationes, et interfaciales dissolutiones debilitantur.

2.Preheating: Notmandatorium, sed inprocessessuchas pultrusion communiter usus, filamentum, andRTM (resintransferendo). Propositum est praeventas in viscosity incre- mentum incontinentia cum frigore, quod corrumpat-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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