Copper Phosphide Powder from United States
Copper phosphide powder containing more than 15% phosphorus by weight is used as a semiconductor material and as a precursor for phosphor copper alloys. Chapter Note 7 to Chapter 28 explicitly places copper phosphide with over 15% phosphorus in heading 2853. This tariff item covers phosphides, whether or not chemically defined, excluding ferrophosphorus.
Duty Rate — United States → Canada
0%
Import Tips
• Provide a certificate of analysis showing the phosphorus content exceeds 15% by weight to support classification under this tariff item
• Verify whether the powder is subject to any hazardous goods regulations, as it may require special handling documentation
• Consult the CBSA's tariff classification advice service for confirmation before importing