SYLVAPRINT 4580 Maleic modified rosin ester Arizona Chemical Maleic Resins INKS >> Varnishes / Over print varnish SYLVAPRINT® 4580 MALEIC MODIFIED ROSIN ESTER is a high viscosity, low solubility resin designed for producing oleo resinous overprint vehicles. It’s light color and high degree of unsaturation makes it idea for high quality sheetfed overprint vehicles that dry oxidatively. It possesses stabilized rosin/light color, high cloud point/low solubility, high degree of unsaturation, high softening point, yields clear non-yellowing films, provides very fast setting times (work and turn), reacts quickly with cobalt and manganese drier packages to through dry into a tough, chemical resistant film, fast solvent release. It is used in oleo resinous overprint vehicles, gloss varnishes. Maleic modified rosin ester. Used in oleo resinous overprint vehicles, gloss varnishes. Provides high degree of unsaturation makes it idea for high quality sheetfed overprint vehicles that dry oxidatively. Possesses high viscosity and low solubility.