2903.43.10.00/1,1-Difluoroethane (HFC-152a) Fire Suppressant Blend Base/Japan

1,1-Difluoroethane (HFC-152a) Fire Suppressant Blend Base from Japan

HFC-152a acts as a base component in clean agent fire suppression systems for data centers and electronics. Classified per HTS 2903.43.10.00 for its pure chemical identity as a listed fluorinated hydrocarbon. It provides rapid fire knock-down without residue.

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

• UL 2127 listing and NFPA 2001 compliance docs needed; pressure test cylinders

• Pitfall: Blends over 10% may reclassify as mixtures