3913.10.00.00/Potassium Alginate Flakes/Japan

Potassium Alginate Flakes from Japan

Potassium alginate, a salt of alginic acid, provided in flake form from Ascophyllum nodosum seaweed for industrial thickening. Falls under HTS 3913.10.00.00 as an alginic salt in primary form. Applied in printing pastes and reactive dye systems.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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Import Tips

• Document potassium content and viscosity grade; ensure no synthetic additives

• Pitfall: retail packaging may trigger consumer goods classification