HS3913 - 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
Back to HS39 - Plastics and articles thereof| Name | Code |
|---|---|
| Alginic acid its salts and esters in primary forms | HS391310 |
| Natural polymers modified natural polymers nes in primary forms | HS391390 |