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2904.34.00.00/PFOS Potassium Salt with Stabilizer Additive/Japan

PFOS Potassium Salt with Stabilizer Additive from Japan

Potassium perfluorooctane sulfonate with added stabilizer for transport stability, per Chapter 29 note (f). Still classified under HTS 2904.34.00.00 as the primary compound remains chemically defined. Stabilizer does not change essential character or create specific use formulation.

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

• Document stabilizer as transport necessity per Chapter note (f); list composition percentages

• Avoid excessive additives that trigger Chapter 38 reclassification