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  2. Prices of chemical elements - Wikipedia

    en.wikipedia.org/wiki/Prices_of_chemical_elements

    This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Per-kilogram prices of some synthetic ...

  3. 1,1,1,2-Tetrafluoroethane - Wikipedia

    en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane

    1,1,1,2-Tetrafluoroethane (also known as norflurane (), R-134a, Klea 134a, Freon 134a, Forane 134a, Genetron 134a, Green Gas, Florasol 134a, Suva 134a, HFA-134a, or HFC-134a) is a hydrofluorocarbon (HFC) and haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a lower 100-year global warming ...

  4. List of countries by price level - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by_price...

    Countries by global price level (World average=100) Rank County/Territory Global price level (% of world average) [2] Year 1 Bermuda: 193.5 2021 2 Barbados: 188.9 2021 3 Cayman Islands: 184.7 2021 4 Switzerland: 181.4 2021 5 Israel: 179.1 2021 6 Iceland: 177.1 2021 7 Turks and Caicos Islands: 172.8 2021 8 Australia: 168.6 2021 9 Norway: 165.3 ...

  5. List of countries by tariff rate - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Global map of countries by tariff rate, applied, weighted mean, all products (%), 2021, according to World Bank. This is a list of countries by tariff rate. The list includes sovereign states and self-governing dependent territories based upon the ISO standard ISO 3166-1. Import duty refers to taxes levied on imported goods, capital and ...

  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. Refrigerant - Wikipedia

    en.wikipedia.org/wiki/Refrigerant

    [56] and in the same year the UNEP published new voluntary guidelines, [57] however many countries have not yet ratified the Kigali Amendment. From early 2020 HFCs (including R-404A, R-134a, and R-410A) are being superseded: Residential air-conditioning systems and heat pumps are increasingly using R-32. This still has a GWP of more than 600.

  8. 1,1,2,2-Tetrafluoroethane - Wikipedia

    en.wikipedia.org/wiki/1,1,2,2-tetrafluoroethane

    It is an isomer of the more-used 1,1,1,2-tetrafluoroethane (R-134a). It is used as a foam expansion agent and heat transfer fluid. [3] References

  9. 1,1,1,2-Tetrafluoroethane (data page) - Wikipedia

    en.wikipedia.org/wiki/1,1,1,2-Tetrafluoroethane...

    1206 kg/m 3 (75.28 lb/ft 3) Density (Saturated Vapor) at boiling point 5.25 kg/m 3 (0.328 lb/ft 3) Heat Capacity (Liquid) at 25 °C 0.339 kcal/kg·K Heat Capacity (Vapor at Constant Pressure) at 25 °C and 1 atm 0.204 kcal/kg·K Vapor Pressure at 25 °C 666.1 kPa Heat of Vaporization at Boiling Point 217.2 kJ/kg (93.4 Btu/lb)