Blister Copper Buttons from Mexico
Blister copper buttons are small castings of blister copper from fire refining, used as test samples or furnace charge. They are unrefined copper with typical purity of 98-99% and gas porosity, requiring electrolytic refining before use.
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
• Classify as unrefined copper, not as articles of heading 7419, since they are not finished products
• Provide evidence of intended use in electrolytic refining to align with the tariff item's description