C9 Hydrocarbon resin SHM-299 Series is C9 fraction as a byproduct of petroleum cracking and thermoplastic resin inogadzirwa nedistillation, polymerization uye mamwe maitiro.Iyo oligomer molecular weight between 300-3000 uye haisi polymer.Iyi ichiedza yero kune yakasviba granule kana kuti flake yakasimba.