Spherical Zinc Dust for Diamond Polishing from China
Ultra-fine spherical zinc dust produced by vapor condensation, with over 90% of particles passing a 63-micron sieve and 97% metallic zinc content. It meets the chapter definition of zinc dust and is classified under tariff item 7903.90.00 as 'other' zinc dust, since it is not covered by a more specific item.
Duty Rate — China → 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
• Check if the dust is subject to any Canadian hazardous materials regulations for shipping