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Ammonium Stearate from Japan

Ammonium stearate is an amine salt of stearic acid used as a fabric softener intermediate and concrete release agent. It falls under HTS 2915.70.0150 as 'other' stearic acid salts.

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%

Import Tips

Declare ammonia content and pH for aqueous paste forms

Provide thermal decomposition data for processing safety

Ensure proper ventilation labeling for amine emissions