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Glycerol ester of gum rosin are made from gum rosin or refined gumrosin through esterification with glycerol.Ourspecification of Glycerol Ester of gum rosin ( Light-colored) areas the following:
Solubility (with benzene 1:1 ): clear
Color (FE-Coscale): 1-2
Acid Value,mgKOH/g max: 10
SofteningPoint ( R& B),°Cmin:85.0±3 or 90±3
