2908.99.15.00/Lignin Sulfonate Sodium Salt/Japan

Lignin Sulfonate Sodium Salt from Japan

Sodium lignosulfonate from sulfite pulping of wood contains phenolic sulfo groups, classified as a sulfonated phenol derivative under HTS 2908.99.1500 when meeting chemical purity standards. Used as binder in concrete and dispersant.

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

• Provide sulfomethylation degree analysis (>15%); ensure <5% carbohydrates

• Common error: Polymer classification under 3913 if molecular weight >10,000 Da