3913.90.20.90/Carboxymethyl Starch Powder/Mexico

Carboxymethyl Starch Powder from Mexico

Carboxymethyl starch is a starch derivative used as a binder in paper and pharma tablets. It is classified under HTS 3913.90.20.90 as a polysaccharide derivative in primary powder form. Meets criteria as modified natural polymer not elsewhere specified.

Duty Rate — Mexico → United States

15.8%

Rate breakdown

9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter

Calculate with your customs value Verify with the Tariff Assistant

Import Tips

• Confirm starch base >95% via analysis to apply subheading polymer rules

• Invoice as 'primary powder' vs 'industrial binder' for correct heading