ester gum rosin 1, made from gum rosin or refined rosin through esterification with glycerol 2, used for adhesive application. ester gum rosin Items:Glycerol Ester of Gum Rosin G-85G-85LSolubility(with toluene1:1)ClearclearColor (Fe-Co Scale3-51-2Acid Value,mgKOH/g ,9max9maxSoftening Point(R&B),85min85minSpecific gravity,25/251.060-1.0901.060-1.0902.Properties and uses:Glycerol ester of gum rosin ...