Foundry Grade Bentonite from Mexico
Selected bentonite with optimal montmorillonite content for green sand molding in metal casting foundries. As a raw, unexpanded clay, it precisely matches HTS 2508.10.00.00 specifications in the clays hierarchy.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Supply methylene blue clay test results to verify active clay content above 80%
• Avoid coal dust blends at import; those classify under 2701 or 2530 mixtures
• Use ISPM-15 compliant pallets for foundry bulk shipments to prevent fumigation delays