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CIPDB › China Industry › Chemicals › Plastic & Polymer

China, Chinese Semi Solid Excellent Chemical Resistance Novolac Epoxy Resin Hwr 638¹ Industrial Products Supplier Manufacturer Details, price list catalog:

China Products Details Supplier Manufacturer price list catalog

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Plastic Polymer Epoxy Resin Phenolic Epoxy Resin

Wuhan Honrepoxy Co., Ltd.

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Product Description Product DescriptionGeneral descriptionHWR-638 is a semi-solid reaction product of epichlorohydrn and phenol-formaldehyde novolac. It has advantageous characteristics of good adhesion strength, excellent heat and chemical resistance because of its multi-functional groups in one molecule fully cross-linked. Therefore, it has excellent physical properties in addition to the basic reactivity of general Epoxy Resin.Characteristic: Typical applications:? High viscosity ? Heat resistant adhesives? High temperature resistance ? Heat resistant Coatings? Chemical resistance ? Laminates? Good adhesion strength ? Composite? High mechanical strength ? PCB inks? Potting and EncapsulationTypical properties:PropertyValueAppearanceYellowish, Transparent, Semi-solidEpoxy equivalent (g/mol)174-180Color (Gardner)≤ 1Chloride Content (ppm)≤5Hydrolyzable Content (ppm)≤300Volatile matter (ppm)≤500Viscosity ( cps,25°C)H-KStorage:Novolac Epoxy Resin HWR-638 is supplied in bulk or in 220KG tight-head drums. The resin should be stored in dry place in its original closed packaging.Shelf life is 12 months. Company Profile

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