Converter Blow Matte from United States
Matte generated during the final converting blow in Peirce-Smith converters, containing 72-78% copper. This standard copper smelting intermediate product falls under tariff item 7401.00.00 as copper matte.
Duty Rate — United States → Canada
0%
Import Tips
• Document the converting process and copper content for CBSA verification
• Provide the smelting technology details if requested to confirm classification
• Be aware that high-grade mattes may be subject to additional scrutiny regarding their intended use