Polimerized rosin 115 Polymerized gum rosin Guilin Chemical Factory Natural Resins & Gum >> Rosin Coatings Inks This product is made of gum rosin through a new technology of sulfuric acid and zinc chloride. Polymerized rosin is a modified products of gum rosin, contains abietic type acids. It has a series of excellent properties such as higher softening point, non-crystalline, good oxidation-resistance, higher viscosity in organic solvent. Mainly used in inks, paints and varnishes. Polymerized gum rosin. Mainly used in inks, paints and varnishes. Contains abietic type acids. Possesses high viscosity in organic solvent, high softening point, non-crystalline properties. Offers good oxidation resistance.