| 39.13 | | 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. | | | |
| 40.01 | | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. | | | |
| 3913.10.00 | | 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. - Alginic acid, its salts and esters | KGM | Free | CCCT, LDCT |
| 3913.10.00 | 10 | 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. - Alginic acid, its salts and esters - Alginic acid and compounds | KGM | Free | CCCT, LDCT |
| 3913.10.00 | 20 | 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. - Alginic acid, its salts and esters - Alginic acid salts and esters | KGM | Free | CCCT, LDCT |
| 3913.90.00 | | 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. - Other | KGM | Free | CCCT, LDCT |
| 3913.90.00 | 10 | 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. - Other - Xanthan polysaccharide | KGM | Free | CCCT, LDCT |
| 3913.90.00 | 80 | 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. - Other - Other polysaccharides | KGM | Free | CCCT, LDCT |
| 3913.90.00 | 90 | 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. - Other - Other | KGM | Free | CCCT, LDCT |
| 4001.10.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber latex, whether or not pre-vulcanized | KSD | Free | CCCT, LDCT |
| 4001.21.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Smoked sheets | KGM | Free | CCCT, LDCT |
| 4001.22.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Technically specified natural rubber (TSNR) | KGM | Free | CCCT, LDCT |
| 4001.29.00 | | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other | KGM | Free | CCCT, LDCT |
| 4001.29.00 | 10 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other - Sheets and strip: - Sheets and strip | KGM | Free | CCCT, LDCT |
| 4001.29.00 | 90 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Natural rubber in other forms: - Other - Other | KGM | Free | CCCT, LDCT |
| 4001.30.00 | 00 | Natural rubber, balata, gutta-percha, guayule, chicle and similar natural gums, in primary forms or in plates, sheets or strip. - Balata, gutta-percha, guayule, chicle and similar natural gums | KGM | Free | CCCT, LDCT |
