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Carboxymethyl Starch Powder from Canada

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 — Canada → United States

15.8%

Rate breakdown

9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada

Import Tips

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

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