Metallurgical Grade Zinc Dust from Canada
Spherical zinc dust from vapor condensation, with 90%+ metallic zinc purity and particle size predominantly under 63 microns, applied in metallurgy for alloying and surface coating. It strictly adheres to HTS 7903.10.00.00 criteria as defined in subheading note (c) for zinc dust.
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
• Include particle size distribution certificate from manufacturer to prove compliance with 63-micron sieve test
• Declare exact metallic zinc percentage on commercial invoice; under 85% shifts to other chemical headings
• For bulk shipments, ensure dust-proof packaging to prevent customs holds due to safety concerns