Other, not included in the subheadings above, containing substances of subheadings 2903.41 to 2903.48
Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included: > Containing other hydrofluorocarbons (HFCs) but not containing chlorofluorocarbons (CFCs) or hydrochlorofluorocarbons (HCFCs): > Other, not included in the subheadings above, 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 3827.68.00.00
R-404A Refrigerant Blend
R-404A is a zeotropic HFC refrigerant blend containing pentafluoroethane (HFC-125, 2903.41), 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42), and 1,1,1-trifluoroethane (HFC-143a, 2903.43). It is used in commercial refrigeration systems like supermarket freezers and transport units. Classified under 3827.68.00.00 as a mixture of halogenated derivatives from 2903.41-2903.48 without CFCs or HCFCs.
R-407C HFC Refrigerant
R-407C is an HFC blend of difluoromethane (HFC-32, 2903.41), pentafluoroethane (HFC-125, 2903.41), and 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42) used as a replacement for R-22 in air conditioning systems. It qualifies for 3827.68.00.00 due to containing HFCs from subheadings 2903.41-2903.48 without prohibited substances.
R-410A Air Conditioning Refrigerant
R-410A is a near-azeotropic HFC mixture of difluoromethane (HFC-32, 2903.41) and pentafluoroethane (HFC-125, 2903.41), standard in new residential and commercial AC units. It fits 3827.68.00.00 as an HFC-only blend from specified methane/ethane derivatives.
HFC-134a/R-134a Replacement Blend
This blend combines 1,1,1,2-tetrafluoroethane (HFC-134a, 2903.42) with minor HFC-32 and HFC-125 for automotive AC retrofits. Classified in 3827.68.00.00 for HFC mixtures from 2903.41-2903.48 lacking CFCs/HCFCs.
R-417A Drop-In Refrigerant
R-417A (ISCEON MO59) is an HFC blend of HFC-134a (2903.42), HFC-125 (2903.41), and HFC-600 (butane, but classified via HFCs) for R-22 replacements in chillers. Meets 3827.68.00.00 criteria for specified HFC-containing mixtures.
HFC Foam Blowing Agent Mixture
This mixture of HFC-134a (2903.42) and HFC-152a (2903.41) serves as a blowing agent for polyurethane insulation foams in appliances. It falls under 3827.68.00.00 as an HFC mixture from designated subheadings without CFCs/HCFCs.
R-428A Mineral Oil Compatible Refrigerant
R-428A (New Capacity 70) blends HFC-125 (2903.41), HFC-143a (2903.43), HFC-404-227ea wait, HFC-134a and butane, but HFC components qualify for 3827.68.00.00 as mixtures of 2903.41-48 substances.
HFC-32 Fire Suppressant Blend
Blend of difluoromethane (HFC-32, 2903.41) with HFC-125 for total flood fire suppression in data centers. Classified under 3827.68.00.00 for HFC mixtures from specified ethane/methane derivatives.
R-449A Low GWP Refrigerant
R-449A (XP-10) is an HFC blend including HFC-32 (2903.41), HFC-125 (2903.41), HFC-134a (2903.42), and HFO-1234yf for commercial refrigeration. Fits 3827.68.00.00 despite HFO as HFC-dominant from 2903.41-48.
HFC Medical Propellant Mixture
Tetrafluoroethane (HFC-134a, 2903.42) blend with HFC-227ea (2903.48? wait 2903.47) for MDI inhalers. 3827.68.00.00 for pharmaceutical HFC mixes from chapter refs.