Carbon-9 resin has a wide range of applications and my country has become a major producer in the world.

C9 resin, generally refers to C9 petroleum resin, refers to a thermoplastic resin generated from the C9 fraction of petroleum cracking by-products through processing, polymerization, distillation and other processes. According to different production methods, C9 resin can be divided into C9 thermopolymer resin produced by thermal polymerization and C9 cold polymer resin produced by catalytic…