Gum Rosin
Gum rosin is distilled from pine gum.It is a kind of natural resin, mainly composed of various kinds of resin acid.
Gum Rosin WW grade Specification:
Appearance: Transparent Solid
Color: Light yellow
Softening point(R&B)Min: 76
Acid value mgKOH/g Min: 166
Non-saponification content max: 5
Impurity content max: 0.03
Ash Content max: 0.02
Package: in galvanized iron drums,225kg/drum or in complex paper bags, 25kg/bag
Gum Rosin