gum rosin is important raw materials for the manufactire of Soap, Paper, Paint, Rubber, Resin, Electric and Synthetic Orgainc.

 standard for gum rosin ww grade
Appearance: transparent solid
Color: pale yellow
softening point(r&b)min.: 76

Acid value,mgkoh/g, min.:  166

Alcohol insoluble substance:0.03

Unsaponifiable matter: 5% max.

Ash:0.02% max