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Genetron AZ-20 Refrigerant Mixture

Genetron AZ-20 (R-410A equivalent) is a blend with approximately 50% difluoromethane (HFC-32) and 50% pentafluoroethane (HFC-125), used in split-system air conditioners. It qualifies for HTS 3827.65.00.00 as a halogenated hydrocarbon mixture with ≥20% of each key HFC component, free of ozone-depleting substances. Ideal for modern, energy-efficient cooling applications.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3827.63.00.00Same rate: 38.7%

If for blends with other HFCs like HFC-143a alongside these

Inclusion of additional HFCs not specified moves to 'other HFC mixtures'.

3824Lower: 15% vs 38.7%

If marketed as a chemical preparation for non-refrigerant industrial cleaning

End-use as prepared formulation shifts from pure mixtures to Chapter 38 preparations.

2903.71.01.00Same rate: 38.7%

If HFC-32 is the predominant unmixed component

Separated difluoromethane classifies under its specific fluorochloromethane heading.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Provide third-party lab analysis proving mass percentages to preempt classification disputes

Register with EPA's HFC phasedown program and track annual import allocations

Ensure bilingual labeling (English/Spanish) for workplace safety compliance

Related Products under HTS 3827.65.00.00

R-410A Refrigerant Blend

R-410A is a near-azeotropic HFC refrigerant mixture consisting of 50% difluoromethane (HFC-32) and 50% pentafluoroethane (HFC-125) by weight, used as a replacement for R-22 in air conditioning systems. It falls under HTS 3827.65.00.00 because it contains 20% or more by mass of both HFC-32 and HFC-125, without CFCs or HCFCs. This blend is widely used in residential and commercial HVAC equipment for its high efficiency and non-ozone depleting properties.

HFC-410A Air Conditioner Refrigerant Gas

HFC-410A is an azeotropic-like blend of 50% HFC-32 (difluoromethane) and 50% HFC-125 (pentafluoroethane), designed for high-pressure air conditioning and heat pump systems. Classified under HTS 3827.65.00.00 due to its balanced composition exceeding 20% of each specified HFC, excluding CFCs/HCFCs. It provides superior cooling capacity compared to older refrigerants.

Puron R-410A HVAC Refrigerant Cylinder

Puron (branded R-410A) is a 50/50 weight percent mixture of HFC-32 and HFC-125, supplied in 25 lb recoverable cylinders for HVAC servicing. Under HTS 3827.65.00.00 due to exceeding 20% thresholds for both HFCs without CFCs/HCFCs. Commonly used in new installations and retrofits of central AC units.

Eco-Friendly R-410A Heat Pump Refrigerant

This R-410A variant is a precise 50% HFC-32 / 50% HFC-125 blend for heat pump systems, offering high volumetric capacity. It meets HTS 3827.65.00.00 criteria with >20% each HFC, no CFCs/HCFCs, and low global warming potential relative to predecessors. Used in residential heating/cooling reversible units.

Dupont Suva 410A Refrigerant Blend

DuPont Suva 410A is a commercial 50/50 HFC-32/HFC-125 mixture for commercial refrigeration and chillers. Classified in HTS 3827.65.00.00 for its specific ≥20% composition of both HFCs, excluding banned substances. Provides non-flammable, efficient cooling in medium-temperature applications.

50/50 HFC-32/HFC-125 Bulk Refrigerant

Bulk tanker or ISO container shipments of 50% difluoromethane (HFC-32) and 50% pentafluoroethane (HFC-125) blend for large-scale HVAC filling. Fits HTS 3827.65.00.00 precisely due to balanced mass percentages >20% each, CFC/HCFC-free. Essential for manufacturers of window and split AC units.