3824.99.39/Bentonite Clay and Calcium Hydroxide Core Sand Additive/Japan

Bentonite Clay and Calcium Hydroxide Core Sand Additive from Japan

Powdered mixture of bentonite clay (aluminosilicate) and calcium hydroxide designed to enhance green strength and collapsibility of foundry core sands. Falls under HTS 3824.99.39 as a prepared blend of inorganic compounds for foundry mold/core production. Critical for producing defect-free metal castings.

Duty Rate — Japan → United States

10%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Certify bentonite montmorillonite content minimum 70% for foundry grade; include moisture content specs (8-12%) in COA; watch for alkalinity hazards in safety data

Bentonite Clay and Calcium Hydroxide Core Sand Additive from Japan — Import Duty Rate | HTS 3824.99.39