Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 21 Other plates, sheets, film, foil and strip, of plastics 39 21 19 Cellular plates, strips... of other plastics, nes Commodity Code Description 39 21 19 00 Cellular plates, strips... of other plastics, nes 39 21 19 11 Of polypropylene 39 21 19 19 Other 39 21 19 20 Rigid 39 21 19 31 Of polycarbonates 39 21 19 39 Other 39 21 19 40 Plates and sheets of cellulose or its chemical derivatives, or of vulcan 39 21 19 50 Plates and sheets of hardened proteins, or of chemical derivatives of na 39 21 19 61 Of nitrocellulose (gun-cotton) 39 21 19 62 Of hardened proteins; of chemical derivatives of natural rubber 39 21 19 69 Other 39 21 19 91 Plates and sheets 39 21 19 92 Film 39 21 19 93 Of nitrocellulose (gun-cotton) 39 21 19 94 Of hardened proteins; of chemical derivatives of natural rubber 39 21 19 99 Other
