Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 01 Natural rubber... and similar gums, in primary forms or in plates, etc 40 01 10 Centrifuged concentrate rubber latex 40 01 10 21 Centrifuged concentrate rubber latex Commodity Code Description 40 01 10 21 00 Centrifuged concentrate rubber latex
