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Common refrigerator refrigerants on the market
The common refrigerator refrigerants on the market are mainly the following:
- R134a: R134a is a colorless, odorless, non-irritating gas with an ODP value of 0, which is an environmentally friendly refrigerant. R134a has good refrigeration effect, moderate working pressure, and high safety. It is currently the most widely used refrigerator refrigerant.
Advantages:
ODP value is 0, will not damage the atmospheric ozone layer
Good refrigeration effect
Moderate working pressure
High safety
Disadvantages:
GWP value is 1400, which has a certain impact on global warming
The price is relatively high
- R600a: R600a is a natural refrigerant, namely n-butane. R600a has an ODP value of 0 and a GWP value of 3, which is an environmentally friendly refrigerant. R600a has a good refrigeration effect and low energy consumption, but it is highly flammable and needs to be paid attention to safety during filling and use.
ODP value is 0, will not damage the atmospheric ozone layer
GWP value is 3, and the impact on global warming is minimal
Good cooling effect
Low energy consumption
Cheap price
Disadvantages:
High flammability, need to pay attention to safety during filling and use
Easy to form explosive mixture after leakage
- R404a: R404a is a mixed refrigerant, which is mixed in proportion by R12, R134a and R142b. R404a has an ODP value of 0 and a GWP value of 4220, which is a transitional environmentally friendly refrigerant. R404a has a good cooling effect, high working pressure, and high safety, and is mainly used in the field of medium and low-temperature refrigeration.
Advantages:
ODP value is 0, will not damage the atmospheric ozone layer
Good cooling effect
High working pressure
High safety
Disadvantages:
GWP value is 4220, which has a greater impact on global warming
High price
- R290: R290 is a natural refrigerant, namely propane. R290 has an ODP value of 0 and a GWP value of 3 and is an environmentally friendly refrigerant. R290 has a good cooling effect and low energy consumption, but it is highly flammable, and safety must be paid attention to during filling and use.
Advantages:
ODP value is 0, which will not damage the atmospheric ozone layer
GWP value is 3, and the impact on global warming is minimal
Good cooling effect
Low energy consumption
Cheap price
Disadvantages:
High flammability and safety must be paid attention to during filling and use
Easy to form explosive mixtures after leakage
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