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
10%
Rate breakdown
9903.05.3910%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.97, articles the product of a member state of the European Union, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 10 percent, as provided for in U.S. note 52 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