C9 Hydrocarbon resin SHM-299 Urukurikirane nigice C9 nkigicuruzwa cya peteroli yamenetse hamwe na resimoplastique resin yakozwe na distillation, polymerisation nibindi bikorwa.Ni uburemere bwa molekile ya oligomer hagati ya 300-3000 kandi ntabwo ari polymer.Ibi ni umuhondo wijimye kugeza mwijimye. granule yumukara cyangwa flake ikomeye.