SuperZinc Zinc Alloy Master Alloy from Mexico
SuperZinc master alloy slabs are unwrought zinc-based alloys containing high zinc content with grain-refining modifiers for use in aluminum foundries. Zinc predominates by weight, and the total other elements exceed 2.5%, meeting the definition of a zinc alloy under Chapter 79. These slabs are supplied in unwrought form for remelting.
Duty Rate — Mexico → Canada
0%
Import Tips
• Verify the slabs are in unwrought form, not further processed, to maintain classification
• Provide a certificate of analysis to demonstrate zinc predominance
• Be aware that master alloys may be subject to additional scrutiny if they contain other regulated metals