Technical Grade Sulfamic Acid Crystals from Canada
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 — Canada → United States
14.2%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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