British Gum Dextrin from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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