I-C9 Hydrocarbon resin SHM-299 Series iyingxenyana ye-C9 njenge-byproduct yokuqhekeka kwe-petroleum kanye ne-thermoplastic resin ekhiqizwa i-distillation, i-polymerization nezinye izinqubo.Kuyisisindo se-oligomer yamangqamuzana phakathi kuka-300-3000 futhi akuyona i-polymer.Lokhu kuphuzi ngokukhanyayo kuya kumnyama i-granule ensundu noma i-flake eqinile.