Place of Origin : Jinan,China

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.

Parameter Grade
Standard: -----GB8145-87-- WW
APPEARANCE- Transparent
PROPORTION 1.070～1.085
HEAT OF SOLUTION 15.8kcal/kg
HEAT CAPACITY 0.54kcal/kg·℃
SOFTENING POINT 70～90℃
COLOR Pale Yellow
SOFTENING POINT(Ball And Ring Method Celsius) ≥ 76.0
ACID NUM