... of adhesive, coating, inks, rubber, soaps, paper e glycerol ester of gum rosin has been general used for ink, adhesive, paint, food ... , coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing:(1) Drum: Galvanized iron drum, 225kg ... latest specification will be executed and assured by contract. glycerol ester of gum rosin