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2839.90.50.00/Lithium Silicate Solution/Japan

Lithium Silicate Solution from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%
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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