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