PQ Corporation Sodium Silicate N from Germany
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 — Germany → 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
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