Other
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included: > Other: > 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 3827.90.90.00
R-134a Refrigerant Blend (HFC-134a/HFC-125 Mix)
A mixture primarily containing 1,1,1,2-tetrafluoroethane (HFC-134a) and pentafluoroethane (HFC-125), used as a refrigerant gas in automotive and commercial air conditioning systems. This blend falls under HTS 3827.90.90.00 as a mixture of halogenated hydrocarbons derived from ethane, not specified elsewhere in heading 3827. It is sold in pressurized cylinders for HVAC applications.
HFC-410A Air Conditioning Refrigerant
High-pressure refrigerant blend of difluoromethane (HFC-32) and pentafluoroethane (HFC-125) at 50/50 ratio, used in residential split-system AC units. Classified under HTS 3827.90.90.00 as a mixture of halogenated ethane derivatives not elsewhere specified. Commonly imported in 25lb cylinders for HVAC contractors.
HFO-1234yf Automotive Refrigerant
Low-GWP refrigerant 2,3,3,3-tetrafluoropropene (HFO-1234yf) blended with minor HFC components for new vehicle AC systems. Falls under HTS 3827.90.90.00 as other mixtures containing halogenated propane derivatives. Required for vehicles meeting latest environmental standards.
Novec 1230 Fire Suppression Fluid
Fluorinated ketone mixture (FK-5-1-12) used in clean agent fire suppression systems for data centers and museums. HTS 3827.90.90.00 covers this as other halogenated mixtures for specialized fire protection. Non-conductive and leaves no residue after discharge.
R-448A Commercial Refrigerant Blend
Azeotropic blend of HFC-32, HFC-125, HFC-134a, and HFO-1234yf for supermarket refrigeration retrofits. Classified HTS 3827.90.90.00 as complex halogenated hydrocarbon mixture. Lower GWP alternative to R-404A.
Vertrel XF Specialty Cleaning Solvent
Hydrofluoroether (HFE) blend with trans-1,2-dichloroethylene for precision cleaning of electronics and aerospace components. HTS 3827.90.90.00 as halogenated mixture for industrial degreasing. Non-flammable and low surface tension.
Opteon 2P50 Heat Transfer Fluid
HFO-1336mzz(Z) based mixture for secondary loop heat transfer in chillers and heat pumps. HTS 3827.90.90.00 covers halogenated fluorinated mixtures for thermal management. Boiling point 50°C for precise temperature control.
Solkane 365mfc Foam Blowing Agent
HFC-365mfc/pentafluorobutane blend for polyurethane rigid foam insulation production. Classified HTS 3827.90.90.00 as halogenated mixture for foam expansion. Zero ODP and phaseout-compliant blowing agent.
Genetron 422D Retrofit Refrigerant
HFC blend (R-422D) of HFC-125, HFC-134a, and isobutane for R-12/R-502 system retrofits. HTS 3827.90.90.00 as unspecified halogenated hydrocarbon mixture. Drop-in replacement with mineral oil compatibility.
Fluorinert FC-72 Electronics Cooler
Perfluorinated liquid (C5F12/C6F12 mix) for single-phase immersion cooling of servers and electronics. HTS 3827.90.90.00 covers fully halogenated mixtures for thermal management. Dielectric fluid with 56°C boiling point.
R-454C Mildly Flammable Refrigerant
A2L blend of R-32 and HFO-1234yf for new residential heat pump systems. Classified under HTS 3827.90.90.00 as other halogenated mixtures with mild flammability (A2L safety class). Meets latest global standards.
Asahiklin AK-225 Precision Cleaner
HCFC-225ca/cb azeotrope for defluxing printed circuit boards and optical components. HTS 3827.90.90.00 despite HCFC content as unspecified halogenated mixture. Transitional cleaner with Q2 phaseout.
Solstice N20 (R-1234ze) Chiller Refrigerant
HFO-1234ze(E) with lubricant additives for centrifugal chiller applications. HTS 3827.90.90.00 as halogenated mixture for large HVAC systems. GWP <1 refrigerant.
IC-651 Dielectric Fluid
Perfluorohexane/perfluoropentane blend for high-voltage cable testing and transformer cooling. Classified HTS 3827.90.90.00 as fully halogenated mixture. Extreme dielectric strength >60 kV/mm.