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Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners

    Buy cheap Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners from wholesalers
     
    Buy cheap Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners from wholesalers
    • Buy cheap Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners from wholesalers

    Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners

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    Brand Name : HONINGLITE
    Model Number : PF8210
    Price : Negotiation
    Payment Terms : T/T, L/C, D/P
    Supply Ability : 5000TONS PRT MONTH
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    Phenolic Novolac Epoxy Resin Hardener , Low Viscosity Dow Epoxy Hardeners

    Phenolic Novolac Epoxy Curing Agent in Low Viscosity for Copper-clad Laminates

    Product description


    Phenolic Novolac resin is produced by condensing phenol with an insufficient amount of formaldehyde to complete the reaction in the presence of an acid catalyst. This produces a thermoplastic resin.


    Phenolic Novolac resins are also used as curing agents or hardeners for epoxy resins in applications such as molding materials, laminates, coatings and adhesives. The phenolic novolac resins used are non-heat reactive materials by themselves, but have phenolic-OH groups that react with epoxy groups. Since the curing mechanism does not produce by-products, thick sections may be obtained without voids and stresses and with low shrinkage.


    Application


    Adhesives & sealants, Epoxy hardeners and additives, High-temperature applications, Protective coatings


    Specification:


    PropertiesValue
    Curing time @150°C100-160s
    Flow Distance@125°Cmin120mm
    Free-phenolmax.0.1%
    Cone & plate viscosity0.3P
    Conductivity,μS/cmmax.3
    Sodium content, AAmax.5ppm
    Chloridion,AAmax.5ppm
    Hydroxyl equivalent weight,g/eq103-109
    Softening point,°C67-72
    Karl Fischer water contentmax.0.5%

    Packing&Storage


    the package is paper-plastics bag in 25KGS each one
    The storage life of this product is several months in a cool and dry place in original closed bags


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