Oxygen-Free Refined Copper Coil Plate 5.5mm from Mexico
Oxygen-free high-conductivity (OFHC) refined copper coil plate at 5.5mm thickness for cryogenic applications and RF shielding. HTS 7409.11.10.00 applies as refined copper in coils exceeding 5mm thick and 0.15mm overall. Pure copper without significant impurities or alloys.
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
• Provide oxygen content certification (<10ppm) for OFHC verification; measure thickness at multiple points for uniform compliance; label coils clearly with alloy grade and specs