Hemimorphite Zinc Silicate Concentrate from United States
A flotation concentrate of hemimorphite (Zn4Si2O7(OH)2·H2O), a zinc silicate ore averaging 42% zinc. 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 — United States → Canada
0%
Import Tips
• Provide assay documentation showing zinc content to support classification under 2608.00.00
• Declare the zinc metal content in kilograms as the statistical unit
• Ensure the concentrate has not been subjected to processes outside normal metallurgical industry practices