| 3506.91.00 | 00 | Adhesives based on polymers of headings 3901 to 3913 or on rubber | kg | 2.1% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 20% |
| 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: | | | | |
| 3913.10.00 | 00 | Alginic acid, its salts and esters | kg | 4.2% | Free (A,AU,BH, CA,CL,E,IL,J,JO, MA,MX,P,SG) | 25% |
| 3913.90 | | Other: | | | | |
| 3913.90.10 | 00 | Chemical derivatives of natural rubber | kg | Free | | 20% |
| 3913.90.20 | 00 | Polysaccharides and their derivatives | kg | 5.8% | Free (A*,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX, P,SG) | 50% |
| 3913.90.50 | 00 | Other | kg | 6.5% | Free (A,AU,BH, CA,CL,E,IL,J,JO, K,MA,MX, P,SG) | 2.2¢/kg + 33.5% |
| 3914.00 | | Ion-exchangers based on polymers of headings 3901 to 3913, in primary forms: | | | | |
Harmonized Tariff Schedule of the United States inquiry: 534
