Fluorspar Briquettes Low Grade from Mexico
Compressed low-grade fluorspar (94% CaF2) into briquettes for easier handling in aluminum smelting. Falls under HTS 2529.21.00.00 as agglomerated fluorspar not further worked, maintaining ≤97% CaF2 content.
Duty Rate — Mexico → United States
0%
Rate breakdown
9903.05.860%Universal product exemption (U.S. note 52(b))
Import Tips
• Declare briquette binder type (e.g
• lignosulfonate <5%) to confirm not 'worked' beyond heading scope
• Obtain smelter end-user certification for preferential tariff treatment under FTAs