| 390910 | Amino-resins, phenolic resins and polyurethanes, in primary forms.-Urea resins; thiourea resins |
| 390920 | Amino-resins, phenolic resins and polyurethanes, in primary forms.-Melamine resins |
| 390930 | Amino-resins, phenolic resins and polyurethanes, in primary forms.-Other amino-resins |
| 390940 | Amino-resins, phenolic resins and polyurethanes, in primary forms.-Phenolic resins |
| 390950 | Amino-resins, phenolic resins and polyurethanes, in primary forms.-Polyurethanes |
| 391000 | -Silicones in primary forms. |
| 391110 | 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.-Petroleum resins, coumarone, indene or coumarone-indene resins and polyterpenes |
| 391190 | 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.-Other |
| 391211 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Non-plasticised |
| 391212 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Plasticised |
| 391220 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Cellulose nitrates (including collodions) |
| 391231 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Carboxymethylcellulose and its salts |
| 391239 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Other |
| 391290 | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms.-Other |
| 391310 | Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened proteins, chemical derivatives of natural rubber), not elsewhere specified or included, in primary forms.-Alginic acid, its salts and esters |
