Technical Grade Sulfamic Acid Crystals from Mexico
Crystalline technical grade sulfamic acid employed in metal pickling and surface treatment processes in manufacturing. Classified under HTS 2811.19.61.10 as it qualifies as a pure inorganic acid other than those specifically named, meeting Chapter 28 Note 1 criteria for chemical definition. Used primarily in industrial electroplating baths.
Duty Rate — Mexico → 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
• Submit assay reports showing minimum 98% purity to distinguish from lower-grade preparations and secure correct duty rate
• Ensure containers meet DOT hazardous material standards; declare as corrosive solid for proper customs processing