Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 40 Rubber and articles thereof 40 02 Synthetic rubber and factice derived from oils, in primary forms or in plates, s 40 02 80 40 02 80 00 Commodity Code Description 40 02 80 00 00 - Mixtures of any product of heading 40.01 with any product of this heading