Section 07 Plastics and articles thereof; rubber and articles thereof 40 Rubber and articles thereof 40 02 Synthetic rubber derived from oils, in primary forms or in plates, etc 40 02 19 Styrene-butadiene rubber; carboxylated styrene-butadiene rubber, nes 40 02 19 00 Styrene-butadiene rubber; carboxylated styrene-butadiene rubber, nes Commodity Code Description 40 02 19 00 00 Styrene-butadiene rubber; carboxylated styrene-butadiene rubber, nes
