... resin, C5, C9 fraction of petroleum by-product of decomposition with processing pre-treatment, polymerization and distillation. It is not ... especially in oil solvent, as well as good compatibility with other resins. It also has brittle, increasing viscosity, ... alone, but used as accelerant , regulator and modifier together with other resins. Applications: C5/C9 Copolymerized Petroleum Resins can ...