C5 petroleum resin also named C5 Hydrocarbon Resin is a petroleum by-product of ethylene made by C5 fraction which is produced by pre-treatment, polymerization and distillation processes. It has the characteristics of low acid value, good miscibility, water,ethanol and chemical resistance, the chemical stability against acid, the good adjustment of viscosity and thermal stability. Generally, C5 petroleum resin is not used alone, but as promoters, regulators, modifiers used with other resin in the Hot Melt Road Marking Paint,Hot Melt Adhesives,Rubber,Tyre and so on..