Industrial Grade Copper Phosphide Cu3P2 Pellets from United States
> Industrial grade copper phosphide (Cu3P2) pellets have a stoichiometry yielding more than 15% phosphorus by weight, used in chemical synthesis and high-performance alloys. Chapter Note 7 places copper phosphide with over 15% phosphorus in heading 28.53, making this product classifiable under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• > Obtain a certificate of analysis confirming the phosphorus content exceeds 15% by weight
• Ensure the product is not considered a metal alloy of Section XV, as copper phosphide is specifically excluded from that section
• Verify any import restrictions for chemical substances