What are the models of automobile air-conditioning refrigerants?

Currently common automotive air-conditioning refrigerant models on the market: R134a, R22, r404a, R407C

Brands: Chemours, Honeywell, Maxx, Dongyue, Daikin

Packaging specifications: 300G, 9.5KG, 10kG, etc.

R134a refrigerant

R134a is currently internationally recognized as a substitute for R12 One of the main refrigeration refrigerants, commonly used in automotive air conditioners, commercial and industrial refrigeration systems, and as a foaming agent for the production of hard plastic insulation materials, and can also be used to configure other mixed refrigerants, such as R404A and R407C.

Main use: It is mainly used as a refrigerant instead of R12, and is widely used in automobile air-conditioning and refrigerator refrigeration.

R407C refrigerant

Physical and chemical properties: Under normal temperature and pressure, R407C is a non-azeotropic fluoroalkane without chlorine Mixed refrigerant, colorless gas, stored in steel cylinder is compressed liquefied gas. Its ODP is 0, so R407C is an environmentally friendly refrigerant that does not destroy the ozone layer of the atmosphere.

Main use: R407C is mainly used to replace R22, with clean, low toxicity, non-combustible, and good cooling effect. It is widely used in household air conditioners and small and medium-sized central air conditioners.

R404A refrigerant

Physicochemical properties: R404A must not be a non-azeotropic refrigerant without chlorine, at room temperature and pressure The bottom is a colorless gas, and it is a compressed liquefied gas stored in a steel cylinder. Its ODP is 0, so R404A is an environmentally friendly refrigerant that does not destroy the ozone layer of the atmosphere.

Main application: R404A is mainly used to replace R22 and R502. It has the characteristics of cleanliness, low toxicity, non-combustibility, and good cooling effect. It is widely used in medium and low temperature refrigeration systems.

Detailed parameters

Warm reminder:

Currently imported car air conditioners mostly use 134a refrigerant, and the price of 134a refrigerant on the market is about three times that of R12. Therefore, some people install air conditioners in their cars to save money when supplementing refrigerant. Or for convenience, the 134a air-conditioning system is changed to be filled with R12 refrigerant. Although it can also send out cold air, it will damage the compressor.

For cars produced after 2002, the air-conditioning system is specially designed for 134a. If other refrigerants such as R12 and R22 are added for long-term use, they will leak and cause the car’s air-conditioning refrigeration effect to be poor. Seriously, it will cause irreparable damage to the entire automobile air conditioning system. Therefore, when consumers choose refrigerants for automobile air-conditioning, they must carefully distinguish them. It is best to choose large manufacturers and trustworthy brands.

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