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 of heading 40.01 40 02 60 Isoprene rubber (IR) 40 02 60 00 Isoprene rubber (IR) Commodity Code Description 40 02 60 00 000 Isoprene rubber (IR)
