Chlorofluorocarbons, also known as CFCs, are chemicals that are composed of chlorine, fluorine and carbon They have been used for decades for a variety of purposes, including refrigeration and air conditioning, foams, solvents and aerosol propellants. Also, CFCs are found in fire extinguishers and as cleaning agents in electronic cleaners and degreasers. In addition, they have been used in medical applications, such as inhalers and aerosol sprays. CFCs are known for their non-reactive and non-flammable nature.
However, CFCs have become a major environmental issue due to their breakdown of the ozone layer. When CFCs are released into the atmosphere, they are broken down by UV rays, releasing chlorine and bromine atoms. These atoms then catalytically decompose ozone molecules, resulting in a decrease in the ozone layer and an increase in UV radiation that can cause skin cancer and other health issues.
Despite the environmental concerns, CFCs remain important in some industries. Here are five of the best examples of its use:
1. Refrigeration and Air Conditioning: CFCs are used as refrigerants in air conditioners, freezing and cooling systems. They are considered safe and efficient due to their non-reactive and non-flammable nature.
2. Foam: CFCs are used in a variety of foam products due to their light weight and high insulation properties.
3. Solvents: CFCs are used in industrial processes as solvents and cleaning agents due to their non-flammable and non-reactive nature. Additionally, CFCs have strong solubility in certain organic compounds, which makes them valuable for industrial applications.
4. Aerosol Propellants: CFCs are used as propellants in aerosol products, such as hair sprays and deodorants. They help to create a fine mist when sprayed, which is beneficial for these products.
5. Fire Extinguishers: CFCs are used in fire extinguishers due to their non-flammable nature and ability to prevent re-ignition of fuel. Additionally, CFCs help to reduce the risk of explosion.