Surface Treatment Zinc Dust from Canada
Fine zinc dust for metal surface passivation and galvanizing activation, featuring vapor-condensed spherical particles (85% <63 μm) and 91% metallic zinc purity. Directly classified under 7903.10.00.00 as zinc dust distinct from powders.
Duty Rate — Canada → United States
10%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Customs may require XRF analysis for zinc purity confirmation
• Label drums with UN number 1436 and 'spontaneously combustible' warnings
• For NAFTA/USMCA, claim preferential if Mexican vapor plant certified