HS 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.
Tariff data as of T2026-2, effective Sept 1, 2026, last verified Oct 21, 2026
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.
Subheadings
Child tariff lines and MFN rates
| HS code | Description | MFN rate |
|---|---|---|
| 3913-10 – Alginic acid, its salts and esters | MFN Free | |
| 3913-10-00-00 | Alginic acid, its salts and esters | Free |
| 3913-90 – Other | MFN Free | |
| 3913-90-00-10 | Xanthan polysaccharide | Free |
| 3913-90-00-80 | Other polysaccharides | Free |
| 3913-90-00-90 | Other | Free |
Top importers in this heading
52 Canadian companies imported goods under heading 39.13 according to the CBSA Canadian Importers Database, 2023 data.
Most frequent importers
- IMCD CANADA LIMITED/IMCD CANADA LIMITEE - Ontario - 3 codes
- QUADRA CHEMICALS LTD. QUADRA CHIMIE LTEE - Quebec - 3 codes
- CALDIC CANADA INC. - Ontario - 2 codes
- CANADIAN ENERGY SERVICES LP - Alberta - 2 codes
- GLOBAL LIFE SCIENCES SOLUTIONS CANADA ULC - British Columbia - 2 codes
- KRAFT CANADA DON MILLS - Ontario - 2 codes
- ACIC PHARMACEUTICALS INC. - Ontario - 1 codes
- AQUA-SOLVE SERVICES INC. - British Columbia - 1 codes
- AZELIS CANADA INC. - Quebec - 1 codes
- BALLARD POWER SYSTEMS INC. - British Columbia - 1 codes