Other
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): > Other
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 3827.39.00.00
R-401A HCFC Refrigerant Blend
R-401A is a zeotropic HCFC refrigerant blend containing HCFC-22, HCFC-152a, and HCFC-124, used primarily in commercial refrigeration systems. It falls under HTS 3827.39.00.00 as a mixture containing hydrochlorofluorocarbons (HCFCs) without CFCs. This blend provides efficient cooling for low and medium temperature applications.
HCFC-123 Chiller Refrigerant
HCFC-123 (2,2-dichloro-1,1,1-trifluoroethane) is used in centrifugal chillers for air conditioning large buildings. Classified under 3827.39.00.00 when imported in commercial mixtures containing HCFCs but no CFCs. Its low pressure characteristics make it ideal for energy-efficient HVAC systems.
R-409A HCFC Retrofit Blend
R-409A is an HCFC blend (HCFC-22/HCFC-142b/HCFC-124) designed as drop-in replacement for R-12 in automotive and refrigeration retrofits. Falls under HTS 3827.39.00.00 for HCFC mixtures lacking CFCs. Provides similar performance characteristics to phased-out CFC-12.
HCFC Foam Blowing Agent Mixture
Mixture containing HCFC-141b and HCFC-142b used as auxiliary blowing agents in polyurethane foam production for insulation panels. Classified under 3827.39.00.00 as HCFC mixtures for industrial chemical processes. Reduces foam density while maintaining thermal properties.
HCFC-22/R-407C Blend
Transitional refrigerant mixture combining HCFC-22 with HFC components (R-407C equivalent) for air conditioning systems during phaseout. HTS 3827.39.00.00 applies to HCFC-containing mixtures without CFCs. Balances performance with regulatory compliance.
Industrial HCFC Cleaning Solvent
HCFC-225ca/cb mixture used as precision cleaning solvent for electronics manufacturing and oxygen system cleaning. Falls under 3827.39.00.00 for HCFC solvent mixtures. Non-flammable with high solvency for fluorinated oils and greases.
R-421A HCFC Replacement Blend
R-421A contains HCFC-22 with hydrocarbons as drop-in replacement for R-22 in residential AC systems. Classified HTS 3827.39.00.00 due to HCFC content despite hydrocarbon presence. Designed for existing R-22 equipment without oil change.
HCFC Fire Extinguishing Mixture
HCFC blend (FM-200 compatible) used in total flooding fire suppression systems for data centers and museums. HTS 3827.39.00.00 for HCFC-containing fire extinguishing mixtures. Clean agent leaves no residue on sensitive electronics.
HCFC-141b Solvent Blend
HCFC-141b with co-solvents for metal degreasing and vapor degreasing applications in aerospace. Classified 3827.39.00.00 as HCFC mixture for industrial cleaning. High density vapor phase for thorough contaminant removal.
Transitional AC Refrigerant Mixture
HCFC-22/HFC-410A blend for servicing existing residential air conditioners during R-22 phaseout. HTS 3827.39.00.00 applies to all HCFC-containing refrigerant mixtures. Allows continued service of installed base equipment.
HCFC Process Fluid Mixture
Proprietary HCFC blend used as heat transfer fluid in chemical processing reactors. Contains HCFC-123 and stabilizers, classified 3827.39.00.00. High thermal stability for continuous operation.
HCFC Dielectric Fluid
HCFC-perfluoropolyether mixture used as dielectric fluid in high-voltage electrical equipment testing. HTS 3827.39.00.00 for HCFC-containing insulating mixtures. Prevents arcing in transformers and switchgear.
HCFC Extraction Solvent
HCFC-225 with modifiers for supercritical extraction of pharmaceuticals and natural products. Classified 3827.39.00.00 as HCFC solvent mixture. High selectivity for lipophilic compounds.
HCFC Leak Detection Mixture
Tracer gas mixture containing HCFC-22 for detecting leaks in refrigeration and pressure systems. Small HCFC percentage meets detection threshold requirements. HTS 3827.39.00.00 classification.