Oxygen-Free Refined Copper Coil Plate 5.5mm from China
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 — China → United States
38%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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