Calcium Chloride and Sodium Silicate Foundry Binder from Mexico
A mixture of calcium chloride and sodium silicate used as a binder in foundry mold preparation to harden sand molds for metal casting. This product falls under HTS 3824.99.39 as a mixture of two or more inorganic compounds prepared for industrial foundry applications, not elsewhere specified. It provides strong adhesion and heat resistance during casting processes.
Duty Rate — Mexico → 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
Import Tips
• Verify exact compound ratios meet 'mixture of two or more inorganic compounds' criteria to avoid reclassification; obtain supplier certifications for foundry-grade purity; ensure SDS includes EPA waste disposal instructions to prevent customs holds