DETA Flake Form Stabilized from Mexico
Stabilized diethylenetriamine in flake form with anti-oxidant additive, remains classified under HTS 2921.29.0030 as the stabilizer is necessary for preservation per Chapter 29 note 2(f). Used in epoxy resin curing systems for composites.
Duty Rate — Mexico → United States
110%
Rate breakdown
9903.04.6093.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Document stabilizer as <0.5% BHT solely for transport stability to maintain Chapter 29 classification
• Use stainless steel IBCs; verify no solvent content >1% to avoid note 2(e) exclusion