British Gum Dextrin from China
British gum dextrin, a traditional roasted potato starch product, serves in foundry adhesives and drilling fluids. Falls under HTS 3505.10.00.20 for other dextrins with standard low DE.
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
• Historical naming 'British gum' still valid; modern specs must confirm dextrin properties
• Oilfield imports need EPA pre-approval for drilling fluid additives
• Dust hazard labeling required for fine powder handling