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 20 Butadiene rubber, in primary forms or in plates, sheets or strip 40 02 20 00 Butadiene rubber, in primary forms or in plates, sheets or strip Commodity Code Description 40 02 20 00 00 Butadiene rubber, in primary forms or in plates, sheets or strip
