glycerol ester of gum rosin is an important raw material for ... , inks, rubber, soaps, paper e glycerol ester of gum rosin has been general used for ink, adhesive, paint, ... /g166 min 165 min 164 minUnsaponifiable Matter5%max 5%max 5%maxInsoluble Matter in Alcohol0.03%max 0.03 ... inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing:(1) Drum: Galvanized ...