Product Name:Gum Rosin
Gum rosin 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 manufacture of adhesive,
coating, inks, rubber, soaps, paper etc.
physical and chemical properties. It is an important raw material for the manufacture of adhesive,
coating, inks, rubber, soaps, paper etc.
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Parameter
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Grade
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Standard: GB8145-87
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WW
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APPEARANCE
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Transparent
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PROPORTION
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1.070～1.085
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HEAT OF SOLUTION
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15.8kcal/kg
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HEAT CAPACITY
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0.54kcal/kg·℃
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SOFTENING POINT
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70～90℃
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COLOR
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Pale Yellow
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SOFTENING POINT(Ball And Ring Method Celsius) ≥
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76.0
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ACID NUMBER (mg KOH / g)≥
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166.0
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UNSAPONIFIABLE MATTER % ≤
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5
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ETHABOL INSOLUBLES % ≤
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0.03
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ASH CONTENT % ≤
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0.02
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