... .Solid transparent nature resin 3.Usage: Adhesives, Pigment, Rubber Golden Gum Rosin Colophonygum rosin is important raw materials for the manufactire ... , coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing:(1) Drum: Galvanized iron ... latest specification will be executed and assured by contract. Golden Gum Rosin Colophony