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Silicates; commercial alkali metal silicates: > Of sodium: > Other
Duty Rate (from China)
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
Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Products classified under HTS 2839.19.00.00
Sodium Silicate Solution (Water Glass)
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.
Liquid Sodium Silicate Grade 40° Bé
Industrial-grade liquid sodium silicate with a density of 40° Baumé, used in manufacturing corrugated cardboard and paperboard. Classified under HTS 2839.19.00.00 as other commercial sodium silicates. It acts as a starch modifier and adhesive in packaging production.
Powdered Sodium Silicate Anhydrous
Anhydrous powdered form of sodium silicate used in detergent formulations and welding rod coatings. It qualifies under HTS 2839.19.00.00 for other commercial sodium silicates excluding metasilicates. The powder form offers high reactivity for industrial compounding.
Sodium Silicate Lumps (Solid Glass)
Solid lumps or cullet of sodium silicate, also called solid water glass, used in glass manufacturing and refractories. Falls under HTS 2839.19.00.00 as other commercial sodium silicates. These are melted and processed into various industrial products.
Industrial Sodium Silicate for Detergents
Medium-ratio sodium silicate (2.4:1 SiO2/Na2O) liquid for use as builder in laundry and dishwashing detergents. Classified in HTS 2839.19.00.00 as other commercial sodium silicates. Provides alkalinity and corrosion protection in cleaning formulations.
Sodium Silicate for Egg Preservation
Food-grade sodium silicate solution used to coat eggshells for long-term storage without refrigeration. Under HTS 2839.19.00.00 as other commercial sodium silicates suitable for specific applications. Forms a protective silicate film on porous eggshells.
High-Ratio Sodium Silicate for Catalysts
High silica-to-soda ratio (3.2:1) sodium silicate used in catalyst manufacturing and zeolite production. HTS 2839.19.00.00 covers this other commercial sodium silicate. Essential for forming silica frameworks in chemical processes.
Sodium Silicate for Refractory Cements
Liquid sodium silicate binder for no-cement castables and refractory mortars in high-temperature applications. Classified HTS 2839.19.00.00 as commercial sodium silicate, other. Provides chemical bonding in heat-resistant compositions.
Water Glass Solution Grade 3.2
Grade 3.2 water glass (SiO2/Na2O ratio 3.2) solution for soil stabilization and concrete sealing. Under HTS 2839.19.00.00 for other sodium silicates. Used in geotechnical engineering for ground improvement.
Sodium Silicate for Welding Electrode Flux
Specialty sodium silicate for binding flux coatings on welding electrodes. HTS 2839.19.00.00 as other commercial sodium silicates. Provides arc stability and slag formation during welding.
Technical Grade Sodium Silicate 2.0 Ratio
Technical grade liquid sodium silicate with 2.0 SiO2/Na2O ratio for general industrial use including adhesives. Falls under HTS 2839.19.00.00 for other sodium silicates. Versatile binder for multiple applications.
Sodium Silicate Precipitated Powder
Precipitated sodium silicate powder from controlled reaction, used in specialty coatings. Classified HTS 2839.19.00.00 as other commercial form. Offers discrete particle size for coatings and fillers.
Sodium Silicate for Cardboard Production
Low-viscosity sodium silicate specifically for corrugated cardboard manufacturing. HTS 2839.19.00.00 other sodium silicates. Replaces starch in paper bonding processes.
Colloidal Sodium Silicate Dispersion
Stable colloidal dispersion of sodium silicate nanoparticles for precision casting. Under HTS 2839.19.00.00 as commercial sodium silicate solution. Used in investment casting shell building.
Sodium Silicate Binder for Abrasives
Sodium silicate liquid binder for vitrified and resinoid abrasive wheels. HTS 2839.19.00.00 other sodium silicates. Provides temporary bonding during abrasive manufacturing.