Silicic Acid Precipitated from Mexico
Precipitated silicic acid (H2SiO3 gel) used as anti-caking agent and absorbent. Classifies in HTS 2811.19.61.90 as other inorganic acid of nonmetal silicon. Distinct from silica in 2811.22.
Duty Rate — Mexico → United States
14.2%
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
• SiO2 content <85% confirms acid vs. silicon dioxide in 2811.22