Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 20 Other plates..., of plastics, not reinforced, etc 39 20 30 Plates..., of polymers of styrene, not reinforced, etc Commodity Code Description 39 20 30 00 Plates..., of polymers of styrene, not reinforced, etc 39 20 30 20 Acrylonitrile butadiene styrene (ABS) sheets of a kind used in the manufacture of ref 39 20 30 91 Plates and sheets, rigid 39 20 30 92 Other, plates and sheets 39 20 30 99 Other