| 3913 | | 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: | | | | |
| 3913.90.10 | 00 | Chemical derivatives of natural rubber | kg | Free | | 20% |
| 3915 | | II. WASTE, PARINGS AND SCRAP; SEMIMANUFACTURES; ARTICLES | | | | |
| 3920.71.00 | 00 | Of cellulose or its chemical derivatives: | | | | |
| 4702.00.00 | | Chemical woodpulp, dissolving grades | | Free | | Free |
| 4703 | | Chemical woodpulp, soda or sulfate, other than dissolving grades: | | | | |
| 4703.21.00 | | Semibleached or bleached: | | | | |
| 4703.21.00 | 20 | Semibleached | t adw | | | |
| 4703.29.00 | 20 | Semibleached | t adw | | | |
| 4704 | | Chemical woodpulp, sulfite, other than dissolving grades: | | | | |
| 4704.21.00 | 00 | Semibleached or bleached: | | | | |
| 4705.00.00 | 00 | Wood pulp obtained by a combination of mechanical and chemical pulping processes | t adw | Free | | Free |
| 4706.92.01 | 00 | Chemical | t adw | Free | | Free |
| 4706.93.01 | 00 | Semichemical | t adw | Free | | Free |
| 4707.20.00 | | Other paper or paperboard, made mainly of bleached chemical pulp, not colored in the mass | | Free | | Free |
| 4802.54 | | Other paper and paperboard, not containing fibers obtained by a mechanical or chemi-mechanical process or of which not more than 10 percent by weight of the total fiber content consists of such fibers: | | | | |
| 4802.61 | | Other paper and paperboard, of which more than 10 percent by weight of the total fiber content consists of fibers obtained by a mechanical or chemi-mechanical process: | | | | |
| 4804.42.00 | | Bleached uniformly throughout the mass and of which more than 95 percent by weight of the total fiber content consists of wood fibers obtained by a chemical process | | Free | | 30% |
| 4804.52.00 | | Bleached uniformly throughout the mass and of which more than 95 percent by weight of the total fiber content consists of wood fibers obtained by a chemical process | | Free | | 30% |
| 4805.11.00 | 00 | Semichemical fluting paper | kg | Free | | 30% |
| 4805.92.40 | 30 | Linerboard containing by weight less than 80 percent chemical sulfate wood pulp | kg | | | |
| 4805.93.40 | 30 | Linerboard containing by weight less than 80 percent chemical sulfate wood pulp | kg | | | |
| 4810.13 | | Paper and paperboard of a kind used for writing, printing or other graphic purposes, not containing fibers obtained by a mechanical or chemi-mechanical process or of which not more than 10 percent by weight of the total fiber content consists of such fibers: | | | | |
| 4810.22 | | Paper and paperboard of a kind used for writing, printing or other graphic purposes, of which more than 10 percent by weight of the total fiber content consists of fibers obtained by a mechanical or chemi-mechanical process: | | | | |
| 4810.31 | | Bleached uniformly throughout the mass and of which more than 95 percent by weight of the total fiber content consists of wood fibers obtained by a chemical process and weighing 150 g/m2 or less: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 3920590000
