Foundry Grade Bentonite from China
Selected bentonite with optimal montmorillonite content for green sand molding in metal casting foundries. As a raw, unexpanded clay, it precisely matches tariff item 2508.10.00 specifications in the clays hierarchy.
Duty Rate — China → Canada
0%
Import Tips
• Confirm the bentonite is not expanded or chemically treated beyond washing, crushing, or grinding
• Keep documentation of the montmorillonite content and processing history for CBSA review
• If the product is mixed with other foundry additives, it may be classified under a different heading