Foundry Grade Bentonite from Canada
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 — Canada → United States
10%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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