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8506.90.00.00/Alkaline Battery Separator Membranes/Japan

Alkaline Battery Separator Membranes from Japan

Microporous cellulose-based membranes that separate electrodes in AA/AAA alkaline primary batteries while allowing electrolyte flow. These critical parts prevent shorts in non-rechargeable cells. Classified as parts under HTS 8506.90.00.00.

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

• Test certificates for porosity and ion permeability must accompany shipments

• Document manufacturing process showing membrane cutting for specific battery sizes