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R-410A is a refrigerant used in air conditioning and heat pump applications. It is a zeotropic but near-azeotropic mixture of difluoromethane (CH 2 F 2, called R-32) and pentafluoroethane (CHF 2 CF 3, called R-125). R-410A is sold under the trademarked names AZ-20, EcoFluor R410, Forane 410A, Genetron R410A, Puron, and Suva 410A.
This is a list of refrigerants, sorted by their ASHRAE-designated numbers, commonly known as R numbers. Many modern refrigerants are human-made halogenated gases, ...
The number after the R is a refrigerant class number developed by DuPont to systematically identify single halogenated hydrocarbons, as well as other refrigerants besides halocarbons. Most uses of CFCs are now banned or severely restricted by the Montreal Protocol of August 1987, as they have been shown to be responsible for ozone depletion. [6]
A refrigerant is a working fluid used in cooling, ... [45] came into force which banned the use of ozone-depleting HCFC refrigerants such as R22 in new systems. The ...
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.
The U.S. regulatory framework is much more lenient than the framework in Europe, where many additives are banned that are still allowed in the U.S.
Originally, Section 612 was limited by ozone-depleting chemicals. However, after passing regulations to phase-out R134a, an HFC refrigerant with no ozone-depleting potential, this phase-out was defended by a subsidiary of DuPont siding with the EPA as it was challenged by a major manufacturer of R134a, and was struck down in 2017.
Two carcinogenic chemicals used in cleaning products and other common household goods have been banned in the U.S., the Environmental Protection Agency (EPA) announced in a Dec. 9 press release.
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