Formula

C4H10，

Name of performance

data

Critical temperature°C

135

Refrigerant content≥%

99.3

Molecular weight in kg/kmol

58.1

Organic impurities≤%

0.5

Normal boiling point? in °C

-11.6

Butadiene≤ppm

3

Pressure at at-25°Cin（MPa）

0.058

Normal Hexane≤ppm

20

Liquid density at-25°C? in（kg/l）

0.59

Benzene≤ppm

1

Vapour density at 25/+32 °C(kg/ m3 )

1.3

Sulfur ≤ ppm

2

Volumetric capacity at -25/55/32°C(kJ/ m3 )

373

Temperature glide of evap ≤ °C

1

Enthalpy of vaporization at-25°C（kJ/kg）

3766

Non condensable gases ≤ % vol （of vapour phase）

1.1

Pressure at +20°Cin（MPa）

0.31

Water ≤ ppm

8

Auto lgnition Point °C

460

Acid content ≤ mg KOH/g Neutralization

0.02

Flammability Limit? % in air

1.8-8.5

Evaporation residue ≤ ppm

20

COP

3.77

Particles/solids Visual check

no

Formula

C3H8? C4H10

Name of performance

data

Critical temperature °C

96.7

Refrigerant content ≥ %

99.5

Molecular weight in kg/kmol

50.12

Organic impurities ≤ %

0.5

Normal boiling point? in °C

-38

Butadiene ≤ ppm

3

Pressure at at-25°Cin（MPa）

0.203

Normal Hexane ≤ ppm

20

Liquid density at-25°Cin（kg/l）

0.59

Benzene ≤ ppm

1

Vapour density at 25/+32 °C(kg/ m3 )

3.8

Sulfur ≤ ppm

2

Volumetric capacity at -25/55/32°C(kJ/ m3 )

1120

Temperature glide of evap ≤ °C

4-6

Enthalpy of vaporization at-25°C（kJ/kg）

406

Non condensable gases ≤ % vol （of vapour phase）

1.5

Pressure?? at? +20°C? in（MPa）

0.62

Water ≤ ppm

10

Acid content ≤ mg KOH/g Neutralization

0.02

Evaporation residue ≤ ppm

20

COP

3.52

Particles/solids Visual check

no

Formula

C3H8 
C4H10，

Name of performance

data

Critical temperature °C

115

Refrigerant content ≥ %

99.85

Molecular weight? in kg/kmol

52.1

Organic impurities ≤ %

0.08

Normal boiling point in °C

-35.6

Butadiene ≤ ppm

3

Pressure at at-25°Cin（MPa）

0.095

Normal Hexane ≤ ppm

20

Liquid density at-25°C? in（kg/l）

0.58

Benzene ≤ ppm

1

Vapour density? at 25/+32 °C(kg/ m3 )

1.2

Sulfur ≤ ppm

2

Volumetric capacity at -25/55/32°C(kJ/ m3 )

373

Temperature glide of evap ≤ °C

1

Enthalpy of vaporization at-25°C（kJ/kg）

386

Non condensable gases ≤ % vol （of vapour phase）

1.1

Pressure?? at? +20°C? in（MPa）

0.31

Water ≤ ppm

5

Auto lgnition Point? °C

470

Acid content ≤ mg KOH/g Neutralization

0.02

Flammability Limit? % in air

1.8-8.5

Evaporation residue?? ≤?? ppm

20

COP

3.60

Particles/solids??? Visual check

no

Formula

C3H8

Name of performance

data

Critical temperature °C

96.7

Refrigerant content ≥ %

99.5

Molecular weight? in kg/kmol

44.1

Organic impurities ≤ %

0.5

Normal boiling point in °C

-42.1

Butadiene ≤ ppm

3

Pressure at at-25°Cin（MPa）

0.199

Normal Hexane ≤ ppm

20

Liquid density at-25°Cin（kg/l）

0.56

Benzene ≤ ppm

1

Vapour density at 25/+32 °C(kg/ m3 )

3.6

Sulfur ≤ ppm

2

Volumetric capacity at -25/55/32°C(kJ/ m3 )

1164

Temperature glide of evap ≤ K

0.5

Enthalpy of vaporization at-25°C（kJ/kg）

406

Non condensable gases ≤ % vol （of vapour phase）

1.5

Pressure?? at? +20°C? in（MPa）

0.84

Water ≤ ppm

10

Auto lgnition Point °C

460

Acid content ≤ mg KOH/g Neutralization

0.02

Flammability Limit % in air

2.37-7.3

Evaporation residue ≤ ppm

20

COP

3.45

Particles/solids Visual check

no