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3824.40.20.00/Barium Metaborate Concrete Fire Retardant/Japan

Barium Metaborate Concrete Fire Retardant from Japan

Inorganic barium metaborate powder incorporated into cement mixes to impart fire resistance and reduce combustible material passage. HTS 3824.40.20.00 as wholly inorganic prepared concrete additive. Releases water of hydration at high temperatures.

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

• Flame spread test data required; barium content restrictions monitored; proper hazmat shipping