Section 07 Plastics and articles thereof; rubber and articles thereof 39 Plastics and articles thereof 39 11 Petroleum resins..., polysulphides..., etc, in primary forms 39 11 20 Poly(1,3-phenylene methylphosphonate) 39 11 20 00 Poly(1,3-phenylene methylphosphonate) Commodity Code Description 39 11 20 00 000 Poly(1,3-phenylene methylphosphonate)
