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Steam is a digital distribution service and storefront developed by Valve Corporation.It was launched as a software client in September 2003 to provide game updates automatically for Valve's games and expanded to distributing third-party titles in late 2005.
HFO-1234yf was developed by a team at DuPont, led by Barbara Haviland Minor, jointly with researchers at Honeywell. [8] [9] Their goal was to meet European directive 2006/40/EC, which went into effect in 2011 and required that all new car platforms for sale in Europe use a refrigerant in its AC system with a global warming potential (GWP) less than 150 times more potent than carbon dioxide.
When R-12 was released from either a leak in systems or improperly disposing of contaminated freon, the gaseous freon would go up into the atmosphere. Chlorine molecules from the refrigerant would break up ozone molecules in the atmosphere, which produced holes in the ozone, that in turn contributed to the destruction of the ozone layer.
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Download QR code; Print/export ... that are frequently referred to as Freon ... R-227 me: Trifluoromethyl 1,2,2,2-tetrafluoroethyl ether:
Dichlorodifluoromethane (R-12) is a colorless gas popularly known by the genericized brand name Freon (as Freon-12). It is a chlorofluorocarbon halomethane (CFC) used as a refrigerant and aerosol spray propellant .
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