Calcium Borate Precipitate from Mexico
Calcium borate precipitate is used in specialty ceramics and as a boron supplement. Classified under HTS 2840.20.00.00 as other borates, excluding Chapter 31 products. Fine particulate form for high-purity applications.
Duty Rate — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Differentiate from Chapter 31 via non-fertilizer end-use declaration
• Heavy metal content testing prevents REACH violations
• Calcination state affects classification purity