glycerol ester of gum rosin is an important raw material for the manufacture of adhesive, coating, inks, rubber, soaps, paper e glycerol ester of gum rosin has been general used for ink, adhesive, paint, food and rubber industry. Name of IndexXWWWGNMKColorSlight yellow Light yellowyellow DeepyellowYellow brown yellow redAppearanceTransparentSoftening Point(R. & B.)76°Cmin75°C min74°C minAcid ...