C10100 Oxygen-Free Copper Sheet from Mexico
C10100 OF copper sheet (99.99% Cu, minimal oxygen), 2 mm thick, 420 mm width for RF shielding. Pure refined copper qualifies for HTS 7409.19.90.00: thickness >0.15 <5 mm, width <500 mm.
Duty Rate — Mexico → United States
13%
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
• Oxygen content documentation distinguishes from ETP copper
• Declare as 'refined' only with verified smelting process
• Avoid generic 'copper sheet' description; specify alloy number