Cu92P11 Phosphor Copper Waffle Ingots from United States
> High-phosphorus variants of Cu92P11 phosphor copper, supplied as waffle-shaped ingots, contain more than 15% phosphorus by weight. Under Chapter Note 7 of the Customs Tariff, copper phosphide with over 15% phosphorus is explicitly included in heading 28.53, making these ingots classifiable under this tariff item.
Duty Rate — United States → Canada
0%
Import Tips
• > Ensure the phosphorus content exceeds 15% by weight and obtain a certificate of analysis to support classification
• Declare the product as copper phosphide under heading 28.53, not as an alloy of Section XV
• Verify if any import permits are needed for hazardous materials