ʻO C9 Hydrocarbon resin SHM-299 Series ʻo ia ka hapa C9 ma ke ʻano he hopena o ka petroleum cracking a me kahi resin thermoplastic i hana ʻia e ka distillation, polymerization a me nā kaʻina hana ʻē aʻe. ʻeleʻele ʻeleʻele a i ʻole flake paʻa.