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2839.90.50.00/Lithium Silicate Solution/Mexico

Lithium Silicate Solution from Mexico

Aqueous solution of lithium silicate for concrete densifiers and protective coatings. It is included under HTS 2839.90.5000 as a commercial alkali metal silicate, with lithium as an alkali metal.

Duty Rate — Mexico → United States

13.1%

Rate breakdown

9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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Import Tips

• Rare lithium content requires sourcing verification to avoid precious metal flags

• pH testing essential; highly alkaline nature demands special handling

Lithium Silicate Solution from Mexico — Import Duty Rate | HTS 2839.90.50.00