Methacrylic Acid/Maleic Acid Copolymer Solution from Canada
Aqueous solution of methacrylic acid copolymers for scale inhibition, classified under HTS 2916.13.00.00 only if qualifying as Chapter 29 solution. Typically shifts to polymer headings but pure acid solutions remain here.
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
• Molecular weight & acid value documentation; ensure <50% polymer solids; pH adjustment certificate