... point Non yellowing use in water-based inks systems, varnishes etc Alcohol-soluble Rosin Resin is prepared by ... if used together with ammonia polyacid, soluble in diglycol, ethanol, etc, good water-solubility, high hardness.Ammonia polyacid solvent ... printing ink, water based printing ink. Soluble in: toluene, alcohol, ethyl acetate, isopropyl acetone, ...