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Potato Dextrin Adhesive for Envelope Sealing from China

Dextrin powder from potato starch used in remoistenable adhesives for envelopes and labels, precisely under HTS 3505.10.0015. It forms a tacky paste when wetted, providing strong bond without solvents. Qualifies as dextrin per chapter notes excluding high-sugar products.

Duty Rate — China → United States

20%

Rate breakdown

9903.88.157.5%Except as provided in headings 9903.88.39, 9903.88.42, 9903.88.44, 9903.88.47, 9903.88.49, 9903.88.51, 9903.88.53, 9903.88.55, 9903.88.57, 9903.88.65, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(r) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(s)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Provide lab tests proving potato starch base and dextrin conversion to prevent downclassification errors

Include safety data sheets for industrial adhesive use to meet DOT and customs chemical import rules

Watch for bulk vs packaged imports; retail packs may trigger different marking requirements