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HFC-125 Dominant Fire Suppressant FK-5-1-12 from Japan

Clean agent fire extinguishing mixture containing over 40% pentafluoroethane (HFC-125) with fluoroketones for total flooding systems in data centers. Classified in 3827.63.00.00 due to high HFC-125 content and absence of banned ozone depleters. Replaces toxic Halon 1301 in critical fire protection applications.

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

Obtain NFPA certification documentation and UL listing for fire suppression system compatibility

Declare exact chemical composition and pressure specifications on commercial invoice

Comply with Montreal Protocol Phase-out schedules for HFC allocations if applicable