| 390710 | 390710 - Polyacetals; in primary forms |
| 390720 | 390720 - Polyethers; in primary forms, excluding polyacetals |
| 390721 | 390721 - Polyethers other than polyacetals; in primary forms, bis(poly |
| 390729 | 390729 - Polyethers other than polyacetals, and bis(polyoxyethylene) m |
| 390730 | 390730 - Epoxide resins; in primary forms |
| 390740 | 390740 - Polycarbonates; in primary forms |
| 390750 | 390750 - Alkyd resins; in primary forms |
| 390760 | 390760 - -Poly(ethylene terephthalate) |
| 390761 | 390761 - Poly(ethylene terephthalate); in primary forms, having a visc |
| 390769 | 390769 - Poly(ethylene terephthalate); in primary forms, having a visc |
| 390770 | 390770 - Poly(lactic acid); in primary forms |
| 390791 | 390791 - Polyesters; n.e.c. in heading no. 3907, unsaturated, in prima |
| 390799 | 390799 - Polyesters; n.e.c. in heading no. 3907, saturated, in primary |