How does C9 petroleum resin demand shape cracking C9 offtake?

How does C9 petroleum resin demand shape cracking C9 offtake?
C9 petroleum resin is the single most important downstream outlet for cracking C9. Hot-polymerized resin dominates China's output at 268,000 tonnes, with cold and copolymer grades at 139,000 tonnes. Applications split by softening point: high-softening resin serves the paint industry, boosting gloss, adhesion, hardness, and acid and alkali resistance, while low-softening grades go into rubber, where they improve tackiness, reinforcement, and softening without disrupting vulcanization. Replacing traditional coumarone-indene resin with C9 fractions delivers better tackifying performance and allows higher loading of reclaimed rubber and fillers, cutting costs and improving mechanical properties. This broad downstream reach gives C9 resin demand a stability that single-application streams lack.