Sodium Silicate Solution (Water Glass) from Canada
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 — Canada → United States
11.1%
Rate breakdown
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 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