Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 05 Compounded rubber, unvulcanized, in primary forms or in plates, etc 40 05 99 Compounded rubber, unvulcanized, in primary forms 40 05 99 00 Compounded rubber, unvulcanized, in primary forms Commodity Code Description 40 05 99 00 00 Compounded rubber, unvulcanized, in primary forms