Ulexite Sodium Calcium Borate Mineral from Germany
Ulexite, known as TV rock, is a naturally hydrated sodium calcium borate ore concentrated from deposits in California and Chile. Classified under HTS 2528.00.00 as a natural borate not from brine, it's supplied in powdered or granular form for industrial flux applications. Its fibrous crystal structure is a hallmark of unaltered natural borates.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
Import Tips
• Require geological assay reports confirming ulexite composition and natural origin to prevent reclassification as synthetic
• Label shipments clearly as 'natural borates' and include moisture content analysis, especially for hydrated forms