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IIR Butyl Rubber Silica Bale from Japan

Isobutylene-isoprene rubber (IIR, butyl) bales compounded with silica for inner tube production, unvulcanized primary bales. HTS 4005.10.00.00 covers this as compounded with silica in bulk form.

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

Bales require airtight packaging certificates to prevent premature oxidation

Differentiate from oil-extended butyl, which may have different rules

Audit risk high if not clearly labeled vs. natural rubber bales

IIR Butyl Rubber Silica Bale from Japan — Import Duty Rate | HTS 4005.10.00.00