| 3825 | | Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other wastes specified in note 6 to this chapter: | | | | |
| 3825.61.00 | 00 | Other wastes from the chemical or allied industries: | | | | |
| 3912 | | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: | | | | |
| 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% |
| 3920.71.00 | 00 | Of cellulose or its chemical derivatives: | | | | |
| 4403.20.00 | 52 | Other hemlock | m3 | | | |
| 4403.20.00 | 50 | Western hemlock (Tsugo meterophylla) | m3 | | | |
| 4407.10.01 | 16 | Mixtures of western hemlock and amabilis fir ("hem-fir") | m3 | | | |
| 4407.10.01 | 64 | Hemlock (Tsuga spp.): | | | | |
| 4702.00.00 | | Chemical woodpulp, dissolving grades | | Free | | Free |
| 4703 | | Chemical woodpulp, soda or sulfate, other than dissolving grades: | | | | |
| 4704 | | Chemical woodpulp, sulfite, other than dissolving grades: | | | | |
| 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: | | | | |
