HBFC-133a Refrigerant Transition Blend from Germany
Temporary refrigerant mixture containing HBFC-133a (CHFBrCH2F) for legacy chiller systems during phase-out transitions. Falls under HTS 3827.12.00.00 as an HBFC-containing mixture of halogenated propane derivatives. Primarily used in industrial refrigeration retrofits.
Duty Rate — Germany → United States
10%
Rate breakdown
9903.05.3910%Section 301 (forced labor) — European Union member state (col1 rate < 10 percent): MFN < 10% → total duty capped at 10%
Import Tips
• Secure essential-use exemption from UNEP Montreal Protocol for any HBFC refrigerant imports post-1996 ban
• Provide equipment compatibility certification showing no CFC/HFC alternatives exist for specific application