PQ Sodium Silicate Solution (Metasilicate Grade) from Germany
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 — 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
• 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