Optical Grade Fluorspar Crystals from Japan
Natural fluorspar crystals selected for >97% CaF2 purity, used in lens manufacturing and spectroscopy. Falls under HTS 2529.22.00.00 as unworked high-purity fluorspar mineral.
Duty Rate — Japan → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Submit spectroscopic purity certificates; optical grade often scrutinized for exact composition
• Declare as 'unworked crystals' to avoid reclassification as optical elements
• Package in anti-static, cushioned containers to prevent fracture during shipping