It is a kind of natural resin, mainly composed of various kinds of resin acids, it can be dissolved easily in many organic solvents, and has special chemical activity. So it is an important raw material for the production of paper, coatings, inks, rubber, soaps, electronic industrial products, food grade ester gum, rosin ester resins etc. We would like to offer latest price of our product for you and please see following: Goods name: Gum rosin ww grade 2. Packing: Packed in drums of 225kgs net weight each 3. Quantity: 100 metric tons. 5. Payment term: L/C at sight 6. Shipment: In 20 days after receipt L/C 7. Origin: Made in china 8. Specifications: Color Slight yellow Appearance Transparent Softening point (R&B) 76min Acid value (mg KOH/g) 166min Unsaponifiable matter content % 5 max Insolubles in ethan 0. 03max Ash content% 0. 02max If you interested in our offer, please contact with us. We will provide you with the products and quality services. We are waiting for your reply.