It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organi ... uses:It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in ... , coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing:(1) Drum: Galvanized iron drum, 225kg ...