Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 11 Petroleum resins, coumarone-indene resins, polyterpenes, polysulphides, polysulphones and other products specified in note 3 to this chapter, not elsewhere specified or included, in primary forms Commodity Code Description 39 11 10 - Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes 39 11 20 Poly (1,3-phenylene methylphosphonate) 39 11 90 - Other