Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 20 Other plates, sheets, film, foil and strip, of plastics, non-cellular and not reinforced, laminated, supported or similarly combined with other materials. 39 20 51 Of poly(methyl methacrylate) 39 20 51 00 Of poly(methyl methacrylate) Commodity Code Description 39 20 51 00 000 Of poly(methyl methacrylate)