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4002.39.00.00/BIIR Rubber Bale/Japan

BIIR Rubber Bale from Japan

Brominated isobutene-isoprene rubber (BIIR) compressed into rectangular bales for storage and transport, used in pharmaceutical stoppers. HTS 4002.39.00.00 covers this as 'other' primary form bale of halo-butyl rubber, retaining raw material character.

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

• Include mill test reports showing compliance with synthetic rubber vulcanization test from Chapter Note 2

• Weigh bales precisely; oversized or irregular shapes risk reclassification as scrap

BIIR Rubber Bale from Japan — Import Duty Rate | HTS 4002.39.00.00