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2839.90.50.00/PQ Corporation Sodium Silicate N/Japan

PQ Corporation Sodium Silicate N from Japan

Neutral-density sodium silicate (SiO2:Na2O ratio ~3.2) for adhesives and catalysts. Fits HTS 2839.90.5000 as a commercial variant of alkali metal silicates.

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

• Ratio certification critical; N-grade differs from alkaline grades

• Storage stability tests prevent duty disputes on quality

• Industrial end-use letters speed clearance

PQ Corporation Sodium Silicate N from Japan — Import Duty Rate | HTS 2839.90.50.00