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Pentafluoroethane is a fluorocarbon with the formula CF 3 CHF 2. Pentafluoroethane is currently used as a refrigerant (known as R-125) and also used as a fire suppression agent in fire suppression systems. Pentafluoroethane does not deplete ozone so it has replaced earlier fluorinated chemicals that did.
Warning sign for fire suppression system Civilian Halon 1301 fire extinguisher, USA, 1980s. Halon 1301 was developed in a joint venture between the U.S. Army and Purdue University in the late 1940's, [5] and became a DuPont product in 1954.
Fluorocarbon 12-B2 FC 12-B2 R 12B2 UN 1941 ... Along with Halons 1211, 2402, and 1301, it is one of the most effective fire extinguishers, however, it is also very toxic.
In 1993, 3M considered fluorocarbons as fire extinguishants to replace CFCs. [9] This extinguishing effect has been attributed to their high heat capacity, which takes heat away from the fire. It has been suggested that an atmosphere containing a significant percentage of perfluorocarbons on a space station or similar would prevent fires ...
In the 1960s, fluoroalkanes and bromofluoroalkanes became available and were quickly recognized as being highly effective fire-fighting materials. Much early research with Halon 1301 was conducted under the auspices of the US Armed Forces, while Halon 1211 was, initially, mainly developed in the UK.
Here's where you should be storing your fire extinguisher at home and expert advice on how to use a fire extinguisher effectively. Meet Our Expert Lisa Shoulders is the product director at First ...