Calcium Chloride and Sodium Silicate Foundry Binder from China
A mixture of calcium chloride and sodium silicate used as a binder in foundry mold preparation to create strong, heat-resistant molds for metal casting. This product falls under HTS 3824.99.39.90 as a mixture of two or more inorganic compounds prepared for industrial use in foundries, not elsewhere specified. It provides excellent adhesion and rigidity during the casting process.
Duty Rate — China → United States
35%
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
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Verify exact compound ratios meet 'mixture of two or more inorganic compounds' criteria; obtain supplier certifications for foundry-grade purity; ensure SDS includes EPA waste disposal guidelines to avoid reclassification