The characteristics and uses of 26 types of air conditioning refrigerants

R134a (Tetrafluoroethane)
Refrigerant R134a is currently one of the internationally recognized main refrigerants to replace R12. It is often used in automotive air conditioning, commercial and industrial refrigeration systems, and as a foaming agent in the production of hard plastic insulation materials. It can also be used to formulate other mixed refrigerants, such as R404A and R407C, etc.
Main uses: Mainly used to replace R12 as a refrigerant and is widely used in automotive air conditioning and refrigerator refrigeration.

R410A
Physicochemical properties: At normal temperature and pressure, R410A is a chlorine-free fluorinated alkane non-azeotropic mixed refrigerant, a colorless gas, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R410A is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R410A is mainly used to replace R22 and R502. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in household air conditioners, small commercial air conditioners, and household central air conditioners, etc. Steel cylinder packaging, net weight 11.3kg, 500kg, 1000kg.

R407C
At normal temperature and pressure, R407C is a chlorine-free fluorinated alkane non-azeotropic mixed refrigerant, a colorless gas, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R407C is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R407C is mainly used to replace R22. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in household air conditioners and small and medium-sized central air conditioners. Steel cylinder packaging, net weight 11.3kg, 500kg, 1000kg.

R417A
At normal temperature and pressure, R417A is a chlorine-free fluorinated alkane non-azeotropic mixed refrigerant, a colorless gas, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R417A is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R417A is mainly used to replace R22. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is used in heat pumps (OEM initial installation to replace R22) and air conditioners (after-sales replacement of R22), etc. Steel cylinder packaging, net weight 11.3kg, 400kg, 1000kg.

R404A
R404A is a chlorine-free non-azeotropic mixed refrigerant. It is a colorless gas at normal temperature and pressure, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R404A is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R404A is mainly used to replace R22 and R502. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in medium and low-temperature refrigeration systems. Steel cylinder packaging, net weight 10.9kg, 1000kg.

R507
R507 is a chlorine-free azeotropic mixed refrigerant. It is a colorless gas at normal temperature and pressure, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R507 is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R507 is mainly used to replace R22 and R502. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in medium and low-temperature refrigeration systems. Steel cylinder packaging, net weight 11.3kg, 400kg.

R23 (Trifluoromethane)
R23 (Trifluoromethane, FREon23), the boiling point at normal pressure is -82.1℃, the freezing point is -155.2℃, the liquid density (at 25℃) is 0.67kg/L, the critical density is 0.525kg/L, the critical pressure is 4.83MPa, the ozone depletion potential (ODP) is 0, and it is an environmentally friendly refrigerant.
Main uses: Trifluoromethane, also known as HFC-23, is a high-pressure liquefied gas and can be used as a refrigerant to replace CFC-13. At the same time, it is an ideal substitute for Halon 1301 and has the characteristics of cleanliness, low toxicity, and good fire extinguishing agent effect.

R508A
R508A is a chlorine-free azeotropic mixed refrigerant. It is a colorless gas at normal temperature and pressure, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R508A is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R508A is mainly used to replace R13, R23, and R503. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in ultra-low-temperature refrigeration systems, such as medical refrigeration and scientific research refrigeration. Steel cylinder packaging, net weight 10kg, 20kg.

R508B
R508B is a chlorine-free azeotropic mixed refrigerant. It is a colorless gas at normal temperature and pressure, and the liquid gas compressed and stored in the steel cylinder. Its ODP is 0. Therefore, R508A is an environmentally friendly refrigerant that does not damage the atmospheric ozone layer.
Main uses: R508B is mainly used to replace R13, R23, and R503. It has the characteristics of cleanliness, low toxicity, non-flammability, and good refrigeration effect. It is widely used in ultra-low-temperature refrigeration systems, such as medical refrigeration and scientific research refrigeration. Steel cylinder packaging, net weight 10kg, 20kg.

R152a (Difluoroethane)
HFC-152a (1,1-Difluoroethane CH3CHF2), molecular weight 66.1, boiling point -24.7℃, critical temperature 113.5℃, critical pressure 4.58MPa, the combustion limit in the air is 5.1 - 17.1% (V/V), and the ozone depletion potential (ODP) is 0.
Main uses: Mainly used as a refrigerant, foaming agent, aerosol, and cleaning agent, and it is also an important component of the mixed working fluid. 18kg/bottle, 640kg/bottle.

R22 (Difluoromonochloromethane)
R22 (Freon22, Difluoromonochloromethane, molecular formula CHClF2, molecular weight 86.47. R-22 is a colorless, nearly odorless gas at room temperature, non-flammable, non-corrosive, and extremely slightly toxic. It can be liquefied into a colorless and transparent liquid under pressure and is an HCFC-type refrigerant. The chemical and thermal stability of R-22 is very high, especially in the absence of moisture. It does not react with ordinary metals below 200℃. In the presence of water, it only reacts slowly with alkali. But it will crack at high temperatures.

R123 (Dichlorotrifluoroethane)
Trifluorodichloroethane (2,2-Dichloride-1,1,1-Trifluoroethane), molecular formula CF3CHCl2, molecular weight 152.93, boiling point 27.85℃, CAS registration number: 306 - 83 - 2, ozone depletion (ODP) 0.02, global warming potential (GWP) 93, is an HCFC-type refrigerant to replace R-11 (F11).
Main uses: R123 can replace F-11 and F-113 as a cleaning agent, foaming agent, and refrigerant (central air conditioning / centrifugal chiller).

R124 (Chlorotetrafluoroethane)
Chlorotetrafluoroethane CHClFCF3, HCFC-124 (R124), molecular weight 136.5, boiling point -10.95℃, critical temperature 122.25℃, critical pressure 3.613MPa, the ozone depletion potential (ODP) is 0.02, and the global warming coefficient (GWP) is 0.10.
Main uses: HCFC-124 (R124) is mainly used as a refrigerant and fire extinguishing agent and is an important component of the mixed working fluid and can replace CFC-114. Steel cylinder packaging, 13.6kg/bottle.

R141b (Dichlorofluoroethane)
Dichlorofluoroethane CH3CCl2F, HCFC-141b, molecular weight 116.95, boiling point 32.05℃, critical temperature 204.5℃, critical pressure 4.25MPa, the ozone depletion potential (ODP) is 0.11, and the global warming coefficient (GWP) is 0.09.

R142b (Chlorodifluoroethane)
Chlorodifluoroethane CClF2CH3, HCFC-142b, boiling point -9.2℃, critical temperature 136.45℃, critical pressure 4.15MPa, it is a colorless gas at room temperature, slightly fragrant, easily soluble in oil, and hardly soluble in water.
Main uses: HCFC-142b (R-142b) is mainly used in refrigeration systems in high-temperature environments, thermostatic control switches, and intermediates of aviation propellants, and is also used as a chemical raw material. Steel cylinder packaging, 13.6kg/bottle, 400kg/bottle.

R402A
Composition of R-402A: R-22, R-290, and HFC-125, which is an HCFC service-type mixed refrigerant. It complies with the A1 safety level category of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) (this is the highest level and is harmless to the human body); it complies with the standards of the US environmental protection organizations EPA, SNAP, and UL. Alkylbenzene AB (Alkybenzene) synthetic oil is recommended for refrigeration oil.
Main uses: It is used to replace R-502 for commercial refrigeration equipment and some transportation refrigeration facilities and is suitable for all environments where R-502 can operate normally. Steel cylinder packaging, 12.2kg/bottle.

R402B
Composition of R-402B: R-22, R-290, and HFC-125, which is an HCFC service-type mixed refrigerant. It complies with the A1 safety level category of the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) (this is the highest level and is harmless to the human body); it complies with the standards of the US environmental protection organizations EPA, SNAP, and UL. Alkylbenzene AB (Alkybenzene) synthetic oil is recommended for refrigeration oil.
Main uses: It is used to replace R-502 for large commercial refrigeration equipment, such as ice makers, etc. It is suitable for all environments where R-502 can operate normally. Steel cylinder packaging, 11.8kg/bottle.

R408A
The R408A refrigerant is a mixed working fluid composed of R22, R125, and R143a. It is a colorless gas at room temperature, with a molecular weight of 87.01, a boiling point of -44.4℃, a critical temperature of 83.8℃, a critical pressure of 4.42MPa, and the ozone depletion potential (ODP) is 0.016.
Main uses: The R408A refrigerant is mainly used to replace R502. One-time steel cylinder 10.9kg/bottle, recyclable steel cylinder 350kg/bottle.

R409A
R409A is a mixture of HCFC-22, HCFC-124, and HCFC-142b and is a colorless gas at room temperature. Molecular weight 97.4, boiling point -34.5℃, critical temperature 106.8℃, critical pressure 4.69MPa, the ozone depletion potential (ODP) is 0.039.
Main uses: R409A is a substitute for R12 and is mainly used in refrigeration systems. 13.6kg steel cylinder packaging, recyclable steel cylinder 400kg/bottle.

R11 (Monofluorotrichloromethane)
Alias Freon-11 (FREON11), molecular formula: CCl3F, molecular weight: 137.37. Colorless liquid or gas; melting point -111℃, boiling point 23.7℃, specific gravity 1.487×103kg/m3, with an ether smell, slightly soluble in water, easily soluble in ethanol and ether, and has good chemical stability.
Main uses: It is used as a refrigerant for large central air conditioning (centrifugal chiller) and a foaming agent for polyurethane (PU) foam. 250KG/200L steel drum (lined with PVF coating).

R12 (Difluorodichloromethane)
R12 is a colorless, odorless, and non-corrosive gas at room temperature and can be liquefied into a colorless and transparent liquid under pressure. R12 is non-toxic, non-flammable, and has good thermal and chemical stability.
Main uses: R12 can be used as a refrigerant, fire extinguishing agent, insecticide, and spray, etc. R12 is widely used as a refrigerant in refrigeration and air conditioning fields such as refrigerators, freezers, and central air conditioning water chiller units. Steel cylinder packaging, the steel cylinder is painted with aluminum white paint, the steel seal number is marked, and the product name is marked with black paint; the net weight of the packaging is 13.6kg/bottle.

R13 (Trifluoromonochloromethane)
R13, molecular formula: CClF3, molecular weight is 104.5, the boiling point at normal pressure is -81.4℃, the freezing point is -181℃, the liquid density (at -30℃) is 1.298kg/L, the ozone depletion potential (ODP) is 1.0, and the global warming potential (GWP) is 17.5.
Main uses: Mainly used for low-temperature / ultra-low-temperature refrigerants. Net weight 35kg/bottle, steel cylinder packaging, and the packaging steel cylinder needs to be recycled.

R502
R502 is a mixed working fluid composed of R22/R115, with a molecular weight of 111.63, a boiling point of -45.6℃, and is a non-flammable substance.
Main uses: Mainly used as a low-temperature refrigeration working fluid and can be used as a refrigerant for food display, food storage, refrigeration, ice cream machines, low-temperature refrigerators, and low-temperature refrigeration compressors. Steel cylinder packaging, net weight 13.6kg/bottle.

R503
R503 is a mixed working fluid composed of R13/R23, with a boiling point of -87.9℃, and is a non-flammable substance.
Main uses: Mainly used in ultra-low-temperature refrigeration equipment, such as low-temperature test chambers and freeze-drying equipment, etc. Net weight 20kg/bottle, steel cylinder packaging, and the packaging steel cylinder needs to be recycled.

R170 (Ethane)
Ethane C2H6 (R170), molecular weight 30.07, boiling point -88.6℃, critical temperature 32.3℃, critical pressure 5.88MPa, the ozone depletion potential (ODP) is 0, and the global warming coefficient (GWP) is 0.01.
Main uses: R170 is mainly used to replace R13 and R503 and is compatible with the original system and lubricating oil. 10kg/bottle, 20kg/bottle; steel cylinder packaging.

R290 (Propane)
Propane CH3CH2CH3 (R290), molecular weight 44.9, boiling point -42.2℃, critical temperature 96.67℃, critical pressure 4.24MPa, vapor pressure (at 25℃) 0.475MPa, the ozone depletion potential (ODP) is 0, and the global warming coefficient (GWP) is 0.01.
Main uses: High-purity grade R290 is used as a temperature-sensing working medium; superior and first-grade R290 can be used as a refrigerant to replace R22 and R502, and is compatible with the original system and lubricating oil. 10kg/bottle; packed in steel cylinders.