AMBERYL 880 resin is a fumaric modified ester of gum rosin. Soluble in alcohols, esters and ketones, slight soluble in aromatic solvents and insoluble in aliphatic solvents. Compatible with nitrocellulose and other modifiers used in alcohol based printing inks. Amberyl resin 880 is recommended for use in alcohol based flexographic inks formulations; the resin is also soluble in aqueous ammonia and amines making it suitable for use in water based flexographic inks, also, it finds application in rotogravure inks. Use in the formulation of flexographic inks bases alcohol or acetates; in mixtures of both or in water for rotogravure inks.