Spherical Zinc Dust for Diamond Polishing from Mexico
Ultra-fine spherical zinc dust obtained from zinc vapor condensation, used in diamond polishing compounds. Meets HTS 7903.90.30.00 zinc dust definition with 90%+ particles passing 63-micron sieve and 97% metallic zinc purity.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Require sieve analysis certificates compliant with chapter note (c) for 63-micron requirement
• Declare exact metallic zinc percentage (>85%) to prevent downgrading to waste materials