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3202.90.10.00/Ammonium Aluminum Sulfate Tanning Salt/Japan

Ammonium Aluminum Sulfate Tanning Salt from Japan

Ammonium aluminum sulfate (alum) acts as an inorganic tanning agent for producing vegetable-retanned or combination leathers with firm texture. Classified under HTS 3202.90.10.00 for its purely inorganic composition and tanning application. Traditional use in glove and bookbinding leathers.

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 comparative analysis vs. potassium alum to confirm tanning-grade specifications

• Ensure ammonia content declarations for proper hazmat classification

• Document batch tanning trials supporting classification over general alums

Ammonium Aluminum Sulfate Tanning Salt from Japan — Import Duty Rate | HTS 3202.90.10.00