High Purity CuP Phosphor Copper for Brazing from China
High-purity CuP with >15% phosphorus optimized for silver brazing alloy production, supplied in cut wire or coarse powder. Classified HTS 2853.90.10.00 as phosphor copper phosphide per chemical definition and subheading. Low impurity levels prevent brittle phases in joints.
Duty Rate — China → United States
27.6%
Rate breakdown
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Specify brazing grade purity (>99.5%); provide flux compatibility data if alloyed
• Avoid classification as welding preparation under 3810