Silicate CO2 Binder System from Mexico
Sodium silicate solution formulated for gas-catalyzed hardening in foundry core production using CO2 injection. Prepared specifically for foundry molds under HTS 3824.10.00.00. Economical choice for gray iron casting with good collapsibility.
Duty Rate — Mexico → United States
16%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Specify silicate solids content (typically 40-50%) on commercial invoice for valuation
• CO2 catalyst equipment compatibility data prevents general chemical misclassification
• High pH requires corrosion-resistant packaging and hazmat shipping papers