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,sheets or strip 40 05 10 Compound with carbon black or silica 40 05 10 00 Compound with carbon black or silica Commodity Code Description 40 05 10 00 000 Compound with carbon black or silica
