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2,3,3,3-Tetrafluoropropene, HFO-1234yf, is a hydrofluoroolefin (HFO) with molecular formula CH 2 =CFCF 3. Its primary application is as a refrigerant with low global warming potential (GWP). [ 1][ 2] As a refrigerant, it is designated R-1234yf[ 1] and marketed under the names Opteon YF by Chemours and as Solstice YF by Honeywell. [ 3]
Dichlorodifluoromethane ( R-12) is a colorless gas usually sold under the brand name Freon-12, and a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant. In compliance with the Montreal Protocol, its manufacture was banned in developed countries (non-article 5 countries) in 1996, and in developing countries ...
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.
Most employers offer either a 50 percent match on the first 6 percent of contributions, or a 100 percent match on the first 3 percent and then 50 percent on the next 2 percent (for a 4 percent ...
August 15, 2024 at 6:50 AM. The annual inflation rate has cooled, new data from the U.S. Bureau of Labor Statistics revealed on Wednesday. The July consumer-price index shows an annual inflation ...
The question for individual consumers is whether you get your money's worth from all the services included in the packages. Here are the prices for the major bundles: Disney+ and Hulu: $10.99 (ads ...
Refrigerant concentration limit / immediately dangerous to life or health in parts per million (volume per volume) and grams per cubic meter Molecular mass in atomic mass units Normal boiling points for pure substances, bubble and dew points for zeotropic blends, or normal boiling point and azeotropic temperature for the azeotropic blends, at ...
To identify this link, the Lund researchers looked at data from the Swedish National Cancer Register, focusing on people who were 20–60 years old, when they received a lymphoma diagnosis ...
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