Section 07 PLASTICS AND ARTICLES THEREOF; RUBBER AND ARTICLES THEREOF 39 Plastics and articles thereof 39 02 Polymers of propylene or of other olefins, in primary forms. 39 02 10 39 02 10 00 Commodity Code Description 39 02 10 00 00 - Polypropylene 39 02 20 00 00 - Polyisobutylene 39 02 30 00 00 - Propylene copolymers 39 02 90 00 00 - Other