raw material for making soap , paper , paint , and rubber intermediate for synthetic organic chemicals Specification of Refined Light-Colored Rosin ItemsRGR-2RGR-3ColorFe-Co Scale23USDA / Lovibond 2.0 XC 0.6 4.0 XB 0.7Acid Value, mgKOH/g, min170Softening PointR&B, , min77Unsaponifiable matter, % , max5Ash % , max0.008 2. Properties and uses:These products are distilled and purified from gum rosin ...