Zinc Stearate Powder from Mexico
Zinc stearate is a fine white powder used as a lubricant and release agent in plastics and rubber manufacturing. It qualifies under HTS 3815.90.3000 as a catalytic preparation consisting wholly of inorganic substances, specifically zinc compounds that facilitate polymerization reactions.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Verify purity certificate to confirm 100% inorganic composition; organic blends shift to 3815.90.5000
• Include technical data sheets proving catalytic function to avoid reclassification as simple chemicals
• Check REACH/EPA restrictions on zinc compounds; obtain TSCA certification for U.S. entry