Selling and Distributor spare ac, ac compressor, Refrigrant, ac pipe.HVAC System
The physical properties of the chemical name difluoromethane pentafluoro-ethane tetrafluoroethane chemical notation ch2f / cf3chf2
/ Cf3ch2f a molecular weight of 86, 2 @ 1 atm boiling point, (° F) -46, 5 freezing @ 1 atm, (° F) -256 critical temperature (° f) (astm d 1321) 186, 86 critical pressure * (psia) 671, 49 saturated liquid density @ 86 ° f, (lb / ft3) 69, 6 specific heat liquid @ 86 ° f, (btu / lb • ° f) 0:38 specific heat of steam @ constant pressure (cp) , @ 86 ° and 1 atm, (btu / lb • ° f) 0:18 flammable range,% vol. In the air (based on ASHRAE Standard 34 with match ignition) † † no 36-1992 ansiashrae safety standard classification group a1
R134a refrigerant Genetron
specifications: the chemical name of the chemical notation tetrofluoroethane cf3ch2f molecular weight of 102 boiling point @ 1 atm, (° F) -14, 9 freezing @ 1 atm, (° F) -141, 9 critical temperature (° f) (astm d 1321 ) 213, 91 * critical pressure (psia) 588, 75 saturated liquid density @ 86 ° f, (lb / ft3) 74, 1 hot liquid a specific @ 86 ° f, (btu / lb • ° f) specific heat .35 constant steam pressure @ * (cp) @ 86 ° and 1 atm, (btu / lb • ° f) .18 flammable range,% vol. In the air (based on ASHRAE Standard 34 with match ignition) † † ansiashrae no standard classification safety group 36-1992 a1.