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Sodium metasilicates

Silicates; commercial alkali metal silicates: > Of sodium: > Sodium metasilicates

Duty Rate (from China)

36.1%
MFN Base Rate1.1%
9903.03.01+10%

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

9903.88.03+25%

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)

Total Effective Rate36.1%
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Products classified under HTS 2839.11.00.00

Sodium Metasilicate Pentahydrate

Sodium metasilicate pentahydrate (Na2SiO3·5H2O) is a hydrated form of sodium metasilicate, a granular or powdered inorganic compound classified under HTS 2839.11.00.00 as a commercial sodium silicate. It is widely used in industrial cleaning formulations for its alkaline and buffering properties.

Anhydrous Sodium Metasilicate

Anhydrous sodium metasilicate (Na2SiO3) is the water-free powdered form of this commercial alkali metal silicate, explicitly covered by HTS 2839.11.00.00. It serves as a key ingredient in heavy-duty detergents and industrial cleaners due to its high pH and emulsifying capabilities.

PQ Sodium Silicate Solution (Metasilicate Grade)

PQ Sodium Silicate is a liquid metasilicate solution (Na2O·xSiO2) produced commercially as a key sodium silicate under HTS 2839.11.00.00. It functions as a corrosion inhibitor in cooling systems and a binder in adhesives.

Sodium Metasilicate Nonahydrate Crystals

Sodium metasilicate nonahydrate (Na2SiO3·9H2O) appears as free-flowing white crystals, a hydrated commercial sodium silicate under HTS 2839.11.00.00. Commonly used in laundry powders and metal cleaning compounds.

Metso Beads Sodium Metasilicate

Metso Beads are dense, bead-form sodium metasilicate anhydrous product under HTS 2839.11.00.00, designed for easy handling in detergent manufacturing. Its low dust and high solubility make it ideal for industrial formulations.

Liquid Sodium Metasilicate 50% Solution

A 50% aqueous solution of sodium metasilicate, classified as a commercial sodium metasilicate under HTS 2839.11.00.00. Utilized in pulp and paper processing as a defoamer and alkaline agent.

Sodium Metasilicate for Welding Flux

High-purity sodium metasilicate powder used in welding flux formulations, falling under HTS 2839.11.00.00 as a commercial alkali silicate. It provides slag-forming and cleaning properties during welding.