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CasNo: 68131-77-1
Appearance: light yellow color
Petroleum resin, also known as hydrocarbon resin, is a thermoplastic polymer derived from petroleum refining. It's produced by polymerizing specific fractions of cracked petroleum (C5 and C9) and is widely used as a tackifier in adhesives, coatings, inks, and rubber. C5 and C9 refer to the carbon number range of the hydrocarbon building blocks in the resin.