Digenite-Sphalerite Mixed Concentrate from Mexico
A mixed sulfide concentrate blending digenite copper mineral with sphalerite zinc, common in porphyry deposits. The product is classified as a zinc ore concentrate because zinc is the principal metal of economic value. It falls under tariff item 2608.00.00 for zinc ores and concentrates.
Duty Rate — Mexico → Canada
0%
Import Tips
• Include a certified assay showing zinc as the dominant metal to avoid classification as copper ore
• Report the zinc metal content in kilograms as required by statistical notes
• Document the flotation process to confirm standard metallurgical treatment