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2839.11.00.00/PQ Sodium Silicate Solution (Metasilicate Grade)/Mexico

PQ Sodium Silicate Solution (Metasilicate Grade) from Mexico

PQ Sodium Silicate is a liquid metasilicate solution (Na2O·xSiO2) produced commercially as a key sodium silicate under HTS 2839.11.00.00. It functions as a corrosion inhibitor in cooling systems and a binder in adhesives.

Duty Rate — Mexico → United States

11.1%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Declare exact SiO2/Na2O ratio on commercial invoice to distinguish metasilicate from other silicates

• Use UN-approved drums for liquid transport due to alkaline corrosive nature

• Obtain prior notice via ACE for bulk chemical imports exceeding thresholds

PQ Sodium Silicate Solution (Metasilicate Grade) from Mexico — Import Duty Rate | HTS 2839.11.00.00