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[Chemical Knowledge]：Properties and Uses of R134a(1,1,1,2-tetrafluoroethane)

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R134a(1,1,1,2-tetrafluoroethane) is a widely used chemical raw material, especially in the field of refrigerant and foaming agent. This article will detail the properties and uses of R134a. The properties of

1. R134a

1. Physical properties

R134a is a colorless, odorless, non-flammable, non-explosive gas with a higher vapor pressure and a lower boiling point. Its molecular formula is CF3CFH2, its molecular weight is 102.03, and its density is about 5.1 times that of air. R134a has low solubility and is insoluble in water, but is miscible with some organic solvents.

2. chemical properties

R134a has strong stability and corrosion resistance, and is not easy to react with other substances. Under high temperature and ultraviolet irradiation, R134a will decompose and produce toxic gases such as hydrogen fluoride.
The use of
2. R134a

1. Refrigerant

R134a is a widely used refrigerant with high refrigeration efficiency and environmental friendliness. It is mainly used to replace the traditional R12 refrigerant and is used in air conditioners, refrigerators, freezers and other refrigeration equipment. R134a has stable refrigeration performance, is not flammable and explosive, and has no destructive effect on the ozone layer, so it is widely used in household appliances and commercial refrigeration equipment.

2. Blowing Agent

R134a can also be used as a blowing agent for the production of polyurethane foams. In the foaming process, R134a acts as a physical blowing agent, forming a foam by expansion and condensation. Due to its environmental protection and high efficiency, R134a has become one of the commonly used foaming agents in the production of polyurethane foams.

In short, R134a is an important raw material for the production of chemicals and has a wide range of applications in the field of refrigerants and foaming agents. With the continuous improvement of environmental awareness and technological progress, the application prospect of R134a will be more broad.

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