C5/C9 Copolymer Hydrocarbon Resin (HH2-1003/HH2-1004) is light color thermoplastic resin obtained from polymerizing unsaturated aliphatic/aromatic olefins derived from the process of thermal cracking of naphtha, it mainly used for Hotmelt Adhesive,PSA, tapes, Rubber articles, and polymeric coatings.