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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).
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 ...
Refrigerants can carry 10 times more energy per kg than water, and 50 times more than air. ... R-134a and R-410A) ... Low cost, widely available and efficient. ...
A 16-oz. (one pound) bag of Village Harvest premium whole grain quinoa costs $3.72 for per bag at Wal-Mart. But a 2-lb. bag of Viva Labs whole grain quinoa will cost you $11.99 on Amazon (around ...
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. Data on elements' abundance in Earth's crust is added for comparison. As of 2020, the most expensive non-synthetic element by both mass and volume is rhodium.
For larger containers, such as the 32-ounce size, there will be fewer per pound. How much do tin cans cost? Tin scrap in the U.S. generally goes for $110 per ton on today's open market. The value ...
The common refrigerant R-410A is a zeotropic, 50/50-mass-percent mixture of difluoromethane and pentafluoroethane . Pentafluoroethane is a common replacement for various chlorofluorocarbons (i.e Freon) in new refrigerant systems, especially for air-conditioning.
Because of its reduced global warming potential (GWP), R-454B is intended to be an alternative to refrigerant R-410A in new equipment. [2] [3] [4] R-454B has a GWP of 466, which is 78 percent lower than R-410A's GWP of 2088. [2] R-454B is non-toxic and mildly flammable, with an ASHRAE safety classification of A2L. In the United States, it is ...
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