Natural Cryolite Ore from Mexico
Raw sodium aluminum fluoride mineral extracted from deposits in Greenland, used primarily as a flux in aluminum smelting. Classified under HTS 2530.90.1000 as natural cryolite, a mineral substance not elsewhere specified. It appears as colorless to white crystalline masses or granular aggregates.
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
• Verify purity and origin certificates to confirm natural status and avoid reclassification as synthetic chemicals under Chapter 28
• Provide geological assay reports showing natural mineral composition to comply with U.S
• Customs mineral substance requirements