Tin Oxide Polishing Powder 99.9% Pure from Mexico
Ultra-fine tin oxide powder (325 mesh) used for polishing optical glass, mirrors, and gemstones to high luster. HTS 2825.90.20.00 applies to this high-purity inorganic compound.
Duty Rate — Mexico → United States
4.2%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Particle size analysis (laser diffraction) confirms polishing grade specs
• Dust respirator requirements for worker safety during customs inspection
• Retail packs <1kg may trigger 3824 classification scrutiny