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2811.19.61.90/Silicic Acid Precipitated/Mexico

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%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• SiO2 content <85% confirms acid vs. silicon dioxide in 2811.22