Potassium Alginate Flakes
Potassium alginate flakes, a salt of alginic acid derived from Ascophyllum nodosum, in flake form for industrial thickening. This primary form is used in printing pastes and falls under the tariff item as an alginic salt.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
More Specific Codes
This product may fall under a more specific subheading:
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the flakes contain other polymers or are chemically modified
Other natural polymers are classified separately.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the flakes are not coated or treated with other substances
• Provide the viscosity grade and intended use to CBSA
• Ensure the product is not mixed with textile auxiliaries of Chapter 38
Related Products under Tariff item 3913.10.00
Alginic Acid Powder
Pure alginic acid in powdered primary form, extracted and purified from brown seaweeds such as Laminaria species. This product is the base polymer itself, not a salt or ester, and is used in research, pharmaceuticals, and as a thickening agent.
Ammonium Alginate Solution Concentrate
Concentrated aqueous solution of ammonium alginate, a salt of alginic acid, in primary form for further processing. Used in welding rod coatings and ceramics, this solution is a liquid primary form under the tariff item.
Calcium Alginate Granules
Calcium alginate granules, a calcium salt of alginic acid derived from brown algae, in granular primary form. Used in wound dressings and food applications, this product is a salt of alginic acid under the tariff item.
Food Grade Propylene Glycol Alginate
Food-grade propylene glycol alginate (PGA), an ester of alginic acid, in powdered form for ice cream stabilization. This ester meets FCC standards and is classified under the tariff item as an ester of alginic acid in primary form.
Pharmaceutical Grade Calcium Alginate
USP-grade calcium alginate powder for antacid tablets and encapsulation, sourced from controlled algae harvests. This pharmaceutical-grade salt of alginic acid is in primary form and offers slow-release properties for drug delivery.
Propylene Glycol Alginate (PGA)
Propylene glycol alginate (PGA), an ester of alginic acid partially esterified with propylene glycol, supplied as a powder for food and beverage stabilization. This ester is in primary form and qualifies under the tariff item.