High Purity OFHC Copper Powder from Japan
Oxygen-Free High Conductivity (OFHC) copper powder with <5 ppm oxygen content and non-lamellar spherical morphology. Used in high-performance electronics and superconductors. HTS 7406.10.00.00 for pure copper powders of non-lamellar structure.
Duty Rate — Japan → United States
10%
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 inert gas fusion analysis certificate verifying oxygen <10 ppm
• OFHC powders require hermetic sealed packaging; declare vacuum level maintained
• Electrical conductivity certification (>101% IACS) supports high purity claims