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  2. R-410A - Wikipedia

    en.wikipedia.org/wiki/R-410A

    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.

  3. Pentafluoroethane - Wikipedia

    en.wikipedia.org/wiki/Pentafluoroethane

    Pentafluoroethane in a near azeotropic mixture with difluoromethane is known as R-410A, a common replacement for various chlorofluorocarbons (commonly known as Freon) in new refrigerant systems. Fire suppression systems

  4. Freon - Wikipedia

    en.wikipedia.org/wiki/Freon

    'Freon' is the brand name for the refrigerants R-12, R-13B1, R-22, R-410A, R-502, and R-503 manufactured by The Chemours Company, and so is not used to label all refrigerants of this type. They emit a strong smell similar to acetone. [2] Freon has been found to cause damage to human health when inhaled in large amounts.

  5. Difluoromethane - Wikipedia

    en.wikipedia.org/wiki/Difluoromethane

    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.

  6. List of refrigerants - Wikipedia

    en.wikipedia.org/wiki/List_of_refrigerants

    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 ...

  7. The 9 Worst Years in History to be Alive - AOL

    www.aol.com/9-worst-years-history-alive...

    The flu, caused by the influenza virus, is estimated to have killed 50 million people worldwide. The virus spread incredibly quickly across nearly every major country in three deadly waves, all ...

  8. Microplastics Are in All of Us. Just How Bad Is That, Really?

    www.aol.com/microplastics-us-just-bad-really...

    Woodruff, who has studied the effect of some chemicals found in plastics on human health, reproduction, and development for two decades, first started looking into microplastics in 2021.

  9. Refrigerant - Wikipedia

    en.wikipedia.org/wiki/Refrigerant

    A refrigerant is a working fluid used in cooling, heating or reverse cooling and heating of air conditioning systems and heat pumps where they undergo a repeated phase transition from a liquid to a gas and back again.

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