2839.90.50.00/PQ Corporation Sodium Silicate N/Mexico

PQ Corporation Sodium Silicate N from Mexico

Neutral-density sodium silicate (SiO2:Na2O ratio ~3.2) for adhesives and catalysts. Fits HTS 2839.90.5000 as a commercial variant of alkali metal silicates.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
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Import Tips

• Ratio certification critical; N-grade differs from alkaline grades

• Storage stability tests prevent duty disputes on quality

• Industrial end-use letters speed clearance

PQ Corporation Sodium Silicate N from Mexico — Import Duty Rate | HTS 2839.90.50.00