Product name: Gum rosin
Other name: Colophony
Color: Pale yellow
Appearance: Transparent solid
Softening Point(ball&ring) 760C min
Unsaponifiable Material 5% max
Alcohol Insoluble Material 0.03% max
Acid Value mgKoh/g 166 min
Ash 0.02% max
Useage: Soap industry , paper industry, paint coating industry, printing ink industry , adhesives industry , rubber industrial, food industry , electrical industrial , flux Chinese herbal medicine, building materials industry (bond)