Sodium Silicate Solution (Water Glass)
A clear, viscous liquid solution of sodium silicate (Na2SiO3) in water, commonly known as water glass. This commercial sodium silicate solution is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.
Import Duty Rates by Country of Origin
| Origin Country | MFN Tariff | Surtaxes | Total Effective Rate |
|---|---|---|---|
| 🇨🇳China | Free | — | Free |
| 🇲🇽Mexico | Free | — | Free |
| 🇺🇸United States | Free | — | Free |
| 🇩🇪Germany | Free | — | Free |
| 🇯🇵Japan | Free | — | Free |
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If the solution is put up for retail sale as an adhesive
Prepared adhesives for retail sale are classified in Chapter 35.
Not sure which classification is right?
The Tariff Assistant works through the GRI rules on your specific product to reach the right tariff item — and can price the duty on it in the same conversation.
Import Tips & Compliance
• Confirm the product is not a sodium metasilicate by providing the SiO2/Na2O ratio
• Keep documentation of the solution's concentration and viscosity
• If the product is put up for retail sale as an adhesive, it may be classified elsewhere
Related Products under Tariff item 2839.19.00
Colloidal Sodium Silicate Dispersion
A stable colloidal dispersion of sodium silicate nanoparticles designed for precision casting and investment casting shell building. This product is a commercial sodium silicate solution, not a separate chemically defined compound, and therefore falls under the 'Other' tariff item for sodium silicates.
High-Ratio Sodium Silicate for Catalysts
High-ratio sodium silicate with a silica-to-soda ratio of 3.2:1, used in catalyst manufacturing and zeolite production. This commercial sodium silicate is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.
Industrial Sodium Silicate for Detergents
Medium-ratio sodium silicate liquid (2.4:1 SiO2/Na2O) used as a builder in laundry and dishwashing detergents. This commercial sodium silicate solution is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.
Liquid Sodium Silicate Grade 40° Bé
Industrial-grade liquid sodium silicate with a density of 40° Baumé, used in manufacturing corrugated cardboard and paperboard. This commercial sodium silicate solution is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.
Powdered Sodium Silicate Anhydrous
Anhydrous powdered sodium silicate used in detergent formulations and welding rod coatings. This commercial sodium silicate is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.
Sodium Silicate Binder for Abrasives
Liquid sodium silicate binder used for vitrified and resinoid abrasive wheels. This commercial sodium silicate solution is not a metasilicate and falls under the 'Other' tariff item for sodium silicates.