... Rosin Colophonygum rosin is important raw materials for the manufactire of Soap, Paper, Paint, Rubber, ... Synthetic Orgainc. GradeXWWWGNMKAppearanceTransparent SolidColorslightlyyellowpale yellowyellowdeepyellowyellowbrownyellow redCorrespond to the Standard Glass Color Piece of RosinSoftening Point(R&B),°C ... So it is an important raw material for the production of paper, coatings, inks, rubber, soaps ...