Silicate CO2 Binder System from China
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 — China → United States
43.5%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 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
• 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