Sodium Silicate Solution (Water Glass) from Mexico
A clear, viscous liquid solution of sodium silicate (Na2SiO3) in water, commonly known as water glass. It falls under HTS 2839.19.00.00 as a commercial sodium silicate, other than sodium metasilicates, used primarily in industrial applications. This chemically defined inorganic compound is supplied in liquid form for various binding and sealing purposes.
Duty Rate — Mexico → United States
11.1%
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
• Verify concentration and ratio (e.g
• SiO2:Na2O) on certificates of analysis for proper classification; ensure packaging complies with DOT hazardous material regulations if applicable; obtain supplier declarations confirming it's not a metasilicate to avoid reclassification