Sodium Silicate for Refractory Cements
Liquid sodium silicate binder for no-cement castables and refractory mortars in high-temperature applications. This commercial sodium silicate is classified under tariff item 2839.19.00 as an 'Other' sodium silicate, providing chemical bonding in heat-resistant materials.
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 sodium silicate is mixed with refractory materials to form a prepared mortar or concrete.
Refractory cements, mortars, and concretes are classified in heading 38.16.
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 a pure sodium silicate solution, not a prepared refractory binder
• Provide the ratio and solids content to CBSA
• If the product is mixed with refractory aggregates, it may be classified as a refractory preparation
Related Products under Tariff item 2839.19.00
Colloidal Sodium Silicate Dispersion
A stable colloidal dispersion of sodium silicate nanoparticles designed for precision casting applications. This product is a commercial sodium silicate solution used in investment casting shell building, falling under tariff item 2839.19.00 as an 'Other' sodium silicate.
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 classified under tariff item 2839.19.00 as an 'Other' sodium silicate, essential for forming silica frameworks in chemical synthesis.
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 falls under tariff item 2839.19.00 as an 'Other' sodium silicate, providing alkalinity and corrosion protection in detergent formulations.
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 product is a commercial sodium silicate solution classified under tariff item 2839.19.00 as an 'Other' sodium silicate, acting as a starch adhesive enhancer.
Powdered Sodium Silicate Anhydrous
Anhydrous powdered sodium silicate used in detergent formulations and welding rod coatings. This product is a commercial sodium silicate in powder form, classified under tariff item 2839.19.00 as an 'Other' sodium silicate, excluding metasilicates.
Sodium Silicate Binder for Abrasives
Sodium silicate liquid binder used for vitrified and resinoid abrasive wheels. This commercial sodium silicate falls under tariff item 2839.19.00 as an 'Other' sodium silicate, providing temporary bonding during abrasive manufacturing.