Descripción del producto

used for making soap, paper, paint, and rubber as well as synthetic organic chemicals. Item Extra grade 1st grade Color, not darker than rosin color grade WW grade N grade Abietic Acid ( % ) , max 0.1 0.5 Dehydroabietic Acid ( % ) min *2.0 *5.0 Softening Point ( by Ball & Ring ) °C, min *5.0 Acid No ( mg KOH/g ) , min **5.0 **0.0 Unsaponifiable Material ( % ) max *0.0 *2.0 2. Properties and uses: 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. 3. Packing: (1) Drum: Galvanized iron drum, **5kg net each drum. (2) Bag: Intertexture or kraft paper bag, *5kg net each bag. 4. Technical specification: The above technical specification (GB ******7) is the national standard of People's Republic of China. If there are changes, the latest specification will be executed and assured by contract.