Sodium Silicate Lumps (Solid Glass)
Solid lumps or cullet of sodium silicate, also called solid water glass, used in glass manufacturing and refractories. This commercial sodium silicate 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 product is considered cullet or waste glass
Glass in the form of cullet or waste is classified in Chapter 70.
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
• Ensure the lumps are not classified as glass products, which would fall under a different chapter
• Provide the SiO2/Na2O ratio and manufacturing details
• If the lumps are processed into glass articles, classification may change
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.