HBFC-133a Refrigerant Transition Blend from China
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 — China → United States
38.7%
Rate breakdown
9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
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