2839.90.50.00/Sodium Silicate Solution (Water Glass)/Japan

Sodium Silicate Solution (Water Glass) from Japan

A viscous, aqueous solution of sodium silicate, commonly known as water glass, used in detergents, adhesives, and as a concrete sealant. It falls under HTS 2839.90.5000 as a commercial alkali metal silicate, specifically sodium silicate in its soluble form, distinct from solid or fused varieties.

Duty Rate — Japan → United States

13.1%

Rate breakdown

9903.03.0110%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
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Import Tips

• Verify concentration and purity via Certificate of Analysis to confirm classification as chemically defined alkali metal silicate

• Ensure proper hazardous material labeling if shipped as liquid; common pitfall is misdeclaring as soap or detergent base

• Obtain EPA approvals for industrial uses like wastewater treatment to avoid customs holds

Sodium Silicate Solution (Water Glass) from Japan — Import Duty Rate | HTS 2839.90.50.00