Sodium Alginate Powder from Japan
Sodium alginate, derived from brown seaweed alginic acid, is a natural polysaccharide salt used in food texturizing and biomedical applications like wound dressings. HTS 3913.90.20 covers it as a polysaccharide derivative in primary powder form.
Duty Rate — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
Import Tips
• Source verification from alginates (not synthetic) prevents shift to Chapter 29 chemicals
• Declare mesh size and purity to confirm primary form status