... hardness High softening point Non yellowing use in water-based inks systems, varnishes etc Alcohol-soluble Rosin Resin is ... the gloss. It is recommended for use in water-based inks systems, varnishes etc.Characteristics Good water solubility. High ... water-solubility, high hardness.Ammonia polyacid solvent printing ink, water based printing ink.Soluble in: toluene, alcohol, ethyl acetate, isopropyl ...