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) Commodity Code Description 39 20 51 00 - - Of poly (methyl methacrylate)