HS CodesVII · Plastics and articles thereof; rubber and articles thereof39 · Plastics and articles thereof3903390319390319Chapter 39Copy pageOtherDescriptionPolymers of styrene, in primary forms : Polystyrene : OtherWas this page helpful?YesNoPrevious390311ExpansibleNextStyrene-acrylonitrile (SAN) copolymers390320