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Alum Cake (Aluminum Sulfate Byproduct) from Japan

Alum cake is a solid byproduct form of aluminum sulfate from water treatment, containing the chemically defined Al2(SO4)3 compound. It remains classified under HTS 2833.22.00.00 as an aluminum sulfate.

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

Test for heavy metal contaminants to meet import safety standards; classify based on chemical composition, not physical form; obtain waste import permits if reprocessed

Alum Cake (Aluminum Sulfate Byproduct) from Japan — Import Duty Rate | HTS 2833.22.00.00