Bentonite
Other clays (not including expanded clays of heading 68.06), andalusite, kyanite and sillimanite, whether or not calcined; mullite; chamotte or dinas earths. > Bentonite > Bentonite
Duty Rate (from China)
Products classified under Tariff item 2508.10.00.00
Agricultural Bentonite Sealant
Coarse sodium bentonite pellets used as a sealant for pond liners and irrigation canals in agricultural applications. This product is unprocessed bentonite clay, not fabricated into setts or excluded products, and therefore falls under tariff item 2508.10.00.
2508.10.00Bentonite for Cat Litter Base
Granular sodium bentonite clay used as the absorbent core material for clumping cat litters, imported in bulk for further processing. This unprepared clay is classifiable under tariff item 2508.10.00 as bentonite, not as a final consumer preparation.
2508.10.00Calcined Bentonite Clay
Bentonite clay subjected to controlled calcining to enhance adsorption properties for foundry sand bonding. The heading explicitly allows calcined clay products, and this remains classifiable under tariff item 2508.10.00 as bentonite.
2508.10.00Calcium Bentonite Powder
Fine-ground calcium bentonite clay suitable for animal feed binders and soil amendments, retaining its natural colloidal properties. This product is classifiable under tariff item 2508.10.00 as bentonite, whether or not calcined, but excluding processed products.
2508.10.00Foundry Grade Bentonite
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.
2508.10.00High-Swelling Bentonite for Drilling
Premium Wyoming sodium bentonite with high swelling capacity, supplied in bulk for preparing water-based drilling fluids in oilfield operations. Tariff item 2508.10.00 covers this unexpanded, raw bentonite clay explicitly.
2508.10.00Natural Sodium Bentonite Clay
A naturally occurring sodium-based bentonite clay mined from volcanic ash deposits, used primarily as a drilling mud additive in oil and gas exploration. It falls under tariff item 2508.10.00 as unprocessed bentonite clay.