... 030.04Unsaponifiable matter, (%) ,max556Ash, (%) ,max0.020.030.042. Properties and uses: It is a kind of natural resin, mainly composed ... it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important ... paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc.3. Packing: (1) Drum: Galvanized iron ...