Zinc Dust for Rubber Vulcanization from Canada
Fine zinc dust produced by condensing zinc vapor, used as an activator in rubber vulcanization processes. It meets chapter definitions with at least 85% metallic zinc and 80% of particles passing 63-micron sieve, classifying under 7903.90.60.00 as other zinc dust.
Duty Rate — Canada → United States
13%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Verify zinc content certification (min 85% metallic zinc) and particle size analysis to confirm HTS 7903.90.60.00 classification
• Provide Material Safety Data Sheets (MSDS) for handling hazardous fine powders during customs clearance
• Avoid misclassification as zinc powder by proving vapor condensation method via manufacturer specs