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3913.90.20.90/Carboxymethyl Starch Powder/Japan

Carboxymethyl Starch Powder from Japan

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 — 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

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

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