Sodium Silicate Cement Hardener from Germany
A liquid preparation of sodium silicate (water glass) used as a hardener and dust proofer for concrete floors and surfaces. Classified under HTS 3824.40.20.00 because it consists wholly of inorganic silicate compounds prepared for cement and concrete applications. It penetrates concrete to form a hardened silica gel layer.
Duty Rate — Germany → United States
10%
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
• Require manufacturer's declaration of inorganic-only composition; check for silicate concentration compliance with ASTM standards; avoid misdeclaration as general silicate under 2839 which lacks preparation specificity