| 3912.31.00 | 10 | Containing not less than 90 percent by weight of carboxymethylcellulose | kg | | | |
| 3912.31.00 | | Carboxymethylcellulose and its salts | | 6.4% | Free (A,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX, P,SG) | 66% |
| 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: | | | | |
| 3914.00 | | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: | | | | |
| 3915.10.00 | 00 | Of polymers of ethylene | kg | Free | | 10% |
| 3915.20.00 | 00 | Of polymers of styrene | kg | Free | | 10% |
| 3915.30.00 | 00 | Of polymers of vinyl chloride | kg | Free | | 10% |
| 3916.10.00 | 00 | Of polymers of ethylene | kg | 5.8% | Free (A,AU,BH,B, CA,CL,E,IL,J, JO,MA,MX, P,SG) | 35% |
| 3916.20.00 | | Of polymers of vinyl chloride | | 5.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 3916.90.10 | 00 | Of acrylic polymers | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 40.6% |
| 3917.21.00 | 00 | Of polymers of ethylene | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3917.22.00 | 00 | Of polymers of propylene | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3917.23.00 | 00 | Of polymers of vinyl chloride | kg | 3.1% | Free (A,AU,BH,B, C,CA,CL,E, IL,J,JO,MA,MX, P,SG) | 25% |
| 3918.10 | | Of polymers of vinyl chloride: | | | | |
| 3920.10.00 | 00 | Of polymers of ethylene | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 3920.20.00 | | Of polymers of propylene | | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 3920.30.00 | 00 | Of polymers of styrene | kg | 5.8% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 35% |
| 3920.43 | | Of polymers of vinyl chloride: | | | | |
| 3920.51 | | Of acrylic polymers: | | | | |
| 3921.11.00 | 00 | Of polymers of styrene | kg | 5.3% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX, P,SG) | 80% |
| 3921.12 | | Of polymers of vinyl chloride: | | | | |
| 3923.21.00 | | Of polymers of ethylene | | 3% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 80% |
| 4002.19.00 | 10 | Containing 50 percent or less styrene by weight of the dry polymer | kg | | | |
| 4002.19.00 | 20 | Containing over 50 percent styrene by weight of the dry polymer | kg | | | |
| 4407.99.01 | 85 | Jatoba (Hymenaea spp.), also known as Brazilian Cherry | m3 | | | |
