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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