Containing substances of subheadings 2903.41 to 2903.48
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included: > Containing hydrochlorofluorocarbons (HCFCs), whether or not containing perfluorocarbons (PFCs) or hydrofluorocarbons (HFCs), but not containing chlorofluorocarbons (CFCs): > Containing substances of subheadings 2903.41 to 2903.48
Duty Rate (from China)
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
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)
Products classified under HTS 3827.31.00.00
R-123 HCFC Refrigerant Blend
A hydrochlorofluorocarbon (HCFC) mixture primarily containing HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane, HTS 2903.42), used in low-pressure centrifugal chillers for commercial refrigeration. This blend falls under 3827.31.00.00 as it contains HCFCs from subheadings 2903.41-2903.48 without CFCs. It's formulated for phase-out compliance in HVAC systems.
HCFC-22/R-22 Air Conditioning Refrigerant
Mixture containing HCFC-22 (chlorodifluoromethane, HTS 2903.41) for residential and commercial air conditioning units, often blended with lubricants. Classified in 3827.31.00.00 due to HCFC content from specified subheadings, excluding CFCs. Essential for servicing older HVAC systems during phase-out.
HCFC-123 Foam Blowing Agent Mixture
Specialty mixture with HCFC-123 for polyurethane foam insulation in appliances and buildings, not containing CFCs. Falls under 3827.31.00.00 for HCFC content per subheadings 2903.41-2903.48. Used in rigid foam production for energy-efficient insulation.
Mixed HCFC-142b Refrigerant for Chillers
HCFC blend featuring HCFC-142b (1-chloro-1,1-difluoroethane, HTS 2903.48) for industrial water chillers, free of CFCs or PFCs beyond spec. This 3827.31.00.00 product supports retrofitting refrigeration systems. Provides efficient cooling in large-scale applications.
HCFC-124 Solvent Cleaning Mixture
Precision cleaning solvent blend with HCFC-124 (2-chloro-1,1,1,2-tetrafluoroethane, HTS 2903.46) for electronics manufacturing, excluding CFCs. Classified under 3827.31.00.00 for specific HCFC derivatives. Ideal for degreasing circuit boards without residue.
R-401A HCFC Retrofit Refrigerant
Drop-in refrigerant R-401A containing HCFC-22 and HCFC-142b from subheadings 2903.41/2903.48, for retrofitting R-12 systems without CFCs. 3827.31.00.00 applies to this non-CFC HCFC mixture. Enables compliance in legacy refrigeration equipment.
HCFC-225ca/225cb Aerosol Propellant
Propellant mixture of HCFC-225ca and HCFC-225cb (3,3-dichloro-1,1,1,2,2-pentafluoropropane, HTS 2903.47) for specialty aerosols, CFC-free. Under 3827.31.00.00 for designated HCFCs. Used in non-flammable spray products.