... , coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing:(1) Drum: Galvanized iron ... kraft paper bag, 25kg net each bag.4. Technical specification:The above technical specification (GB 8145-87) is the national standard of ... 's Republic of China. If there are changes, the latest specification will be executed and assured by contract ...