1. Specification Model: GSM-1302 Appearance : Very Slight yellow with Transparent , Solid with Flakes Color( Gardner) in 50% Benzene Max : 3 Acid Value ,mgkoh/g Max : 25 Softening Point R&B , 130 ?2 Heat Stability Max in 180 for 24 H( color): 4 2.Properties and uses: The resin is made from the esterification between Chinese gum rosin and glycerol by the way of hydrolysis and the change of the molecular structures. It features as very slight color, good heat-stability anti-age and the strength of adhesive. The resin is mix well with nitro celluloses and alkyd resin, from which the binders enhance the hardness, adhesive, drying time, blight and sanding property. The products solvent in the solution of tar, ester turpentine oil and similar solv- ents and mix well with vegetable oils through heating polymerization,it also used in phenolic and polyurethane paints. But in any, insoluble alcoholic solvents. 3.Packing: (1) Paper plastic woven bags of 25kgs net each. Keeping away from water and fire. (2) Packing specified by customers. 4.Technical specification: The above technical specification is formulated and revised by us. If there are ch- anges, the latest specification will be executed and assured by contract.