cfcs การใช้

• Electronics companies voluntarily stopped using CFC-based cleaners for manufacturing.
• CFCs had been widely used in air conditioning and commercial refrigeration.
• Clearly there was a concern about CFCs and the ozone layer.
• They want a global ban on all CFC production and trade.
• CFC-113a seems to have been accumulating unabated since 1960.
• However, the features listed are prevalent in most CFC systems.
• The CFC organizes a national championship every one or two years.
• Traditionally chlorofluorocarbons ( CFCs ) were the predominant fluorinated organic chemical.
• CFCs were banned for use as propellants in aerosol cans in 1978.
• There, CFCs decompose, giving off chlorine, which attacks ozone.
• Methyl bromide is a more powerful ozone depleter than CFCs.
• CFCs are thought to damage the earth's protective ozone layer.
• The government banned the use of CFCs in reaction to ozone depletion.
• FACT : CFCs were banned from aerosol cans in 1978.
• It's illegal to import new, or virgin, CFCs.
• CFCs produce chlorine, which react in polar clouds to destroy ozone.
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• Right now, we are using butane as an alternative to CFC,
• Those actions must be completed within the year, the CFC said.
• But the CFC industry did not give up that easily.