| 3911.90.15 | 00 | Containing monomer units which are aromatic or modified aromatic, or which are obtained, derived or manufactured in whole or in part therefrom: | | | | |
| 3911.90.15 | 00 | Thermoplastic: | | | | |
| 3911.90.35 | 00 | Thermosetting: | | | | |
| 3911.90.70 | 00 | Other: | | | | |
| 3912 | | Cellulose and its chemical derivatives, not elsewhere specified or included, in primary forms: | | | | |
| 3912.11.00 | 00 | Cellulose acetates: | | | | |
| 3912.31.00 | | Cellulose ethers: | | | | |
| 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 | | Other: | | | | |
| 3914.00 | | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: | | | | |
| 3915 | | Waste, parings and scrap, of plastics: | | | | |
| 3916 | | Monofilament of which any cross-sectional dimension exceeds 1 mm, rods, sticks and profile shapes, whether or not surface-worked but not otherwise worked, of plastics: | | | | |
| 3916.90 | | Of other plastics: | | | | |
| 3916.90.20 | 00 | Other: | | | | |
| 3916.90.30 | 00 | Other: | | | | |
| 3917 | | Tubes, pipes and hoses and fittings therefor (for example, joints, elbows, flanges), of plastics: | | | | |
| 3917.10 | | Artificial guts (sausage casings) of hardened protein or of cellulosic plastics materials: | | | | |
| 3917.10.60 | 00 | Other: | | | | |
| 3917.21.00 | 00 | Tubes, pipes and hoses, rigid: | | | | |
| 3917.31.00 | 00 | Other tubes, pipes and hoses: | | | | |
| 3917.39.00 | 20 | Other: | | | | |
| 3918 | | Floor coverings of plastics, whether or not self-adhesive, in rolls or in the form of tiles; wall or ceiling coverings of plastics, as defined in note 9 to this chapter: | | | | |
| 3918.10 | | Of polymers of vinyl chloride: | | | | |
| 3918.10.10 | 00 | Floor coverings: | | | | |
| 3918.10.31 | | Wall or ceiling coverings: | | | | |
Harmonized Tariff Schedule of the United States inquiry: ɡ
