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  2. R-410A - Wikipedia

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

    R-410A was invented and patented by Allied Signal (now Honeywell) in 1991. [5] Other producers around the world have been licensed to manufacture and sell R-410A. [6] R-410A was successfully commercialized in the air conditioning segment by a combined effort of Carrier Corporation, Emerson Climate Technologies, Inc., Copeland Scroll Compressors (a division of Emerson Electric Company), and ...

  3. List of UN numbers 3101 to 3200 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3101_to...

    Engines, internal combustion, flammable gas powered or Engines, internal combustion, flammable liquid powered or Vehicle, flammable gas powered or Vehicle, flammable liquid powered UN 3167: 2.1: Gas sample, non-pressurized, flammable, n.o.s., not refrigerated liquid UN 3168: 2.3

  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 ]

  5. List of UN numbers 3501 to 3600 - Wikipedia

    en.wikipedia.org/wiki/List_of_UN_numbers_3501_to...

    Articles containing flammable gas, not otherwise specified UN 3538: 2.2: Articles containing non-flammable, non toxic gas, not otherwise specified UN 3539: 2.3: Articles containing toxic gas, not otherwise specified UN 3540: 3: Articles containing flammable liquid, not otherwise specified UN 3541: 4.1: Articles containing flammable solid, not ...

  6. Water-reactive substances - Wikipedia

    en.wikipedia.org/wiki/Water-reactive_substances

    Water-reactive substances [1] are those that spontaneously undergo a chemical reaction with water, often noted as generating flammable gas. [2] Some are highly reducing in nature. [ 3 ] Notable examples include alkali metals , lithium through caesium , and alkaline earth metals , magnesium through barium .

  7. Combustibility and flammability - Wikipedia

    en.wikipedia.org/wiki/Combustibility_and...

    The burning of a solid material may appear to lose weight if the mass of combustion gases (such as carbon dioxide and water vapor) are not taken into account. The original mass of flammable material and the mass of the oxygen consumed (typically from the surrounding air) equals the mass of the flame products (ash, water, carbon dioxide, and ...

  8. Natural refrigerant - Wikipedia

    en.wikipedia.org/wiki/Natural_refrigerant

    Water is nontoxic, nonflammable, has a zero GWP and ODP value, and has a low cost. [1] Technical challenges, such as water's high specific volume at low temperatures, high pressure ratios required across the compressor, and high temperatures at the outlet of the compressor, exist as barriers to the use of water and water vapor as a refrigerant ...

  9. List of states of matter - Wikipedia

    en.wikipedia.org/wiki/List_of_states_of_matter

    Gas: A compressible fluid. Not only will a gas take the shape of its container but it will also expand to fill the container. Mesomorphic states: States of matter intermediate between solid and liquid. Plastic crystal: A molecular solid with long-range positional order but with constituent molecules retaining rotational freedom.