Zinc Dust for Diamond Polishing Compounds from Mexico
Ultra-fine zinc dust meeting chapter note (c) specifications, used as a binder in diamond polishing slurries. It is classified under tariff item 7903.90.00 as other zinc dust, since it is not covered by a more specific tariff item.
Duty Rate — Mexico → Canada
0%
Import Tips
• Confirm the product meets the zinc dust definition: at least 80% by weight passes a 63-micron sieve and contains at least 85% metallic zinc
• Provide a certificate of analysis to support classification
• Verify if the dust is subject to any Canadian hazardous materials regulations for shipping