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    Welcome to Hengshui Zehao Chemicals Co., Ltd.
    Advisory hotline +86 318-8015158

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    Mobile: +86 18330856252
    Sales: +86 318-7922977
    Sales: +86 318-8015159
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    Address: Rubber industry district, Hengshui City, Hebei Province, China

    Product Center Location: Product Center >Gum resin

    Gum resin

    Gum resin also named Colophony, it is a kind of natural resin, that composed of various kinds resin acids, and having special physical and chemical properties.

    it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.


    Grade X WW WG N M K
    Appearance Transparent Solid
    Color slightly yellow pale yellow yellow deep yellow yellow brown yellow red
    Correspond to the Standard Glass Color Piece of Rosin
    Softening Point
    (R&B),°C, min
    76 75 74
    Acid Value,
    (mgKOH/g), min
    166 165 164
    Alcohol insoluble
    Substance ,(%) , max
    0.03 0.03 0.04
    matter, (%) ,max
    5 5 6
    Ash, (%) ,max 0.02 0.03 0.04