Stabilized Fumaric Acid with Anti-Caking Agent from Canada
Fumaric acid with minimal silicon dioxide anti-caking agent for transport stability, used in resin production. Permitted under Chapter 29 note (f) as stabilizer necessary for preservation; classified HTS 2917.19.1700 as other fumaric acid.
Duty Rate — Canada → United States
14.2%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Document stabilizer <2% by weight to qualify under Chapter 29 note (f)
• Provide formulation breakdown to prevent reclassification as mixture
• Avoid customer-specific additives that could trigger 'particular use' exclusion