Winlex 4400 Hydrogenated rosin ester Finjetchemical Industries Natural Resins & Gum >> Rosin Coatings Hydrogenated rosin ester indicated for use in adhesives, particularly in hot melt systems. Winlex4400 pentaerythrite ester of hydrogenated rosin is made from hydrogenated rosin or refined hydrogenated rosin through esterification with pentaerythritol. Low volatility, light color, high softening point, superior heat stability and weather resistance. Compatibility with EVA ,A very stable resin compatible with synthetic polymers. coatings. Pentaerythrite ester of hydrogenated rosin. Used in coatings. Possesses low volatility, light color, high softening point, very good heat stability, weather resistance and compatibility with EVA and synthetic polymers.