Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 06 Acrylic polymers in primary forms 39 06 10 Polymethyl methacrylate, in primary forms 39 06 10 00 Polymethyl methacrylate, in primary forms Commodity Code Description 39 06 10 00 00 Polymethyl methacrylate, in primary forms