Carbon tetrafluoride is a colorless, odorless, and non-flammable inert gas. Due to its high chemical and thermal stability, it has crucial applications in industry, particularly in high-tech fields.
The biggest problem with carbon tetrafluoride is its extremely strong greenhouse effect. Its global warming potential (GWP) is 7350 times that of carbon dioxide (calculated over 100 years), and it can remain stable in the atmosphere for up to 50,000 years. Therefore, its production and use are strictly regulated, requiring extensive recycling and treatment; direct release into the atmosphere is strictly prohibited.
Plasma etching and cleaning are the most important and widespread applications of carbon tetrafluoride, especially in the manufacturing processes of semiconductors and microelectromechanical systems (MEMS). carbon tetrafluoride was originally used as a refrigerant, designated R-14. In inert environments, carbon tetrafluoride acts as a protective gas and gas insulator. Due to its chemical inertness, non-toxicity, and ease of detection, carbon tetrafluoride is used as a tracer gas in environmental monitoring and scientific research. carbon tetrafluoride is also used as a laser gas and in the production of low-temperature flexible packaging materials.
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