Resin 138 Rosin glycerin ester Nanda Chemical Tackifier >> Rosin ester >> Glycerol ester ADHESIVE Rosin glycerin ester is light yellow and transparent solid, important material for manufacturing adhesive to improve drying and water resistance. Prepared by esterification of special grade rosin with glycerin, light color Light yellow and transparent rosin glycerin ester. Used as tackifier and adhesion promoter in adhesives. Improves drying and water resistance.