Product :Gum rosin
Grade: X / WW / WG
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Gum Rosin is natural thermoplastic resin with special physical and chemical properties,composed of several kinds of resin.
And this product is our traditional exporting product with stable quality and favourable price. -
It can be widely used in adhesives,paints,oil paints,rubber,soaps and paper making industries,etc.
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Product detail specification:
Item Grade
X WW WG
Appearance transparent
Color Slightly yellow Pale yellow Yellow
softening point(R and B)°C≥ 76 76 74
Acid value,mgKOH/g≥ 166 165 164
Non-saponifiable content%≤ 5 5 6
Impurity content%≤ 0.03 0.03 0.04
Ash content%≤ 0.02 0.03 0.04
Item X WW WG N M K
Color slightly yellow pale yellow yellow deep yellow yellow brown yellow red
Correspond to the standard glass color piece of rosin
Appearance transparent solid
Unsaponifiable Material 5% max
Softening Point (ball & ring) 76 min 75 min 74 min
Acid No. 166 mgKOH/g min 165 mgKOH/g min 164 mgKOH/g min
Alcohol Insoluble Material 0.03 % max 0.03 % max 0.04 % max
Ash 0.02% max 0.03% max 0.04% max
