---
title: "3913.90 – Natural polymers (for example… › Other: Canada tariff & duty rates"
description: "Every Canadian tariff classification under HS 3913.90: Natural polymers (for example, alginic acid) and modified natural polymers (for example, hardened…"
canonical: "https://www.adhocs.ca/hs-codes/3913.90"
---

# 3913.90 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

Up: [HS codes](https://www.adhocs.ca/hs-codes) › [Chapter 39](https://www.adhocs.ca/hs-codes/39) › [3913](https://www.adhocs.ca/hs-codes/3913)

3 classifications. Each 10-digit code links to its page, with its rate under every tariff treatment.

- [3913.90.00.10](https://www.adhocs.ca/hs-codes/3913.90.00.10) Xanthan polysaccharide
- [3913.90.00.80](https://www.adhocs.ca/hs-codes/3913.90.00.80) Other polysaccharides
- [3913.90.00.90](https://www.adhocs.ca/hs-codes/3913.90.00.90) Other

[Source: CBSA Customs Tariff](https://www.cbsa-asfc.gc.ca/trade-commerce/tariff-tarif/menu-eng.html).