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  R134a
 
Product Name
Tetrafluoroethane (R134a)
Physical Properties
Formula CF3CH2F
Molecular Weight 102
Boiling point / ℃ -26.1
Critical temperature / ℃ 101.1
Critical pressure / Mpa 4.06
Liquid Density (25 ℃) / (kg / m3) 1206
Heat of vaporization / latent heat of vaporization (boiling point, 1atm), kJ / kg 216
Combustion limit (air) /% (by volume) No
Ozone Depleting Potential (ODP) 0
Global Warming (GWP100) 1300
Quality Index
Appearance Colorless and transparent, not cloudy
Odor Odorless
Purity% ≥99.9
Ppm moisture content ≤10
Evaporation residue ppm ≤100
Non-condensable gas (V / V)% ≤1.5
Unsaturated hydrocarbon impurities in ppm ≤40
Acidity (as HCL) ppm ≤ 1
Filling factor
1.03kg/L
Packing
Non-refillable welded cylinders: 13.6kg
Refillable welded cylinders: 13.6kg, 100kg, 800kg, 1000kg; mobile tank (ISO TANK)
Packaging logo
Noncombustible gas
UN Number
3159
Uses
Alternative R12; R134a as the most widely used in low temperature refrigerants, mainly used in refrigerators, freezers, water dispensers, car air conditioners, central air conditioners, dehumidifiers, cold storage, commercial refrigeration, ice machines, ice cream machines, refrigeration condensing units, etc. Refrigeration apparatus, but can also be applied to aerosol propellants, medical aerosol propellant insecticide, polymers (plastics) a physical blowing agent, and a protective gas of magnesium alloys and the like.
Storage and transportation
R134a refrigerant cylinders for pressurized containers should be stored away from fire, heat, avoid direct sunlight, usually put storage in a cool, dry and ventilated warehouse; handling with care, light disposal to prevent damage to the cylinder and valves and other accessories .
Precautions
While R134a refrigerant is an alternative to the newly installed refrigeration equipment, the most popular choice Freon R12, R134a and R12 but due to physical and chemical properties, the theoretical cycle performance and compressor oil, etc. are not the same, so for the initial installation of R12 refrigerant refrigeration equipment Repairs, if you need to add or replace refrigerant, still only add R12, R134a usually can not replace direct R12.

 

 

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