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 80 Mixtures of any product of heading 4001 with any product of this heading 40 02 80 00 Mixtures of any product of heading 4001 with any product of this heading Commodity Code Description 40 02 80 00 000 Mixtures of any product of heading 4001 with any product of this heading