Cu-Zr Master Alloy Grain Refiner from Mexico
Cu-Zr master alloy grain refiner contains 0.5-1% zirconium and is used to improve microstructure uniformity in cast copper alloys. It falls under tariff item 7405.00.00 as a master alloy of copper, serving as an additive in metallurgy with copper content over 10%.
Duty Rate — Mexico → Canada
0%
PGA flags
No agency flag on this HTS number in the CBSA Single Window matching criteria.
CBSA Single Window matching criteria, unknown
Import Tips
• Confirm the zirconium content is within 0.5-1% and the product is not usefully malleable
• Provide a certificate of analysis to the CBSA to support classification
• Check if the grain refiner is considered a master alloy or a separate product under other headings