Liquefied hydrocarbon gases according to GOST 20448-90 “liquefied hydrocarbon Gases fuel for household consumption. Technical conditions”, with change № 1, 2,P

 

 

Name indicators Value
1 Mass fraction of components: Not

Normalizes

sum of methane, ethane and ethylene , %
amount of propane and propylene, not less   , %
amount of butanes and butylene, , %

nevertheless

no more than

 

60

2 Volume fraction of liquid residue at 20 °C, not more than , % 1,6
3 Saturated vapor pressure, excess, , MPa

at temperature:

plus 45 °C, not more

minus 20 °C, not less

1,6
4 Mass fraction of hydrogen sulfide and mercaptan sulfur, not more than ,%

including hydrogen sulfide, not more than,%

 

 0,013

0,003
5 The content of free water and alkali Absence
6 The intensity of the smell, no less, points 3

 

 

Liquefied hydrocarbon gases for road transport GOST 27578-87 Technical specifications

 

Name indicators Value
1 Mass fraction of components: Not

Normalizes

sum of methane, ethane and ethylene , %
amount of propane and propylene,

not less   , %

 

90±10

50±10

 

amount of unsaturated hydrocarbons

no more than  , %

 

6

6

2 Volume fraction of liquid residue at 20 °C, not more than , % Absence
3 Saturated vapor pressure, excessive,

at temperature:

plus 45 °C, not more

minus 20 °C, not less

1,6
4 Mass fraction of hydrogen sulfide and mercaptan sulfur, not more than, %

including hydrogen sulfide, not more than, %

 

 0,01

0,001
5 The content of free water and alkali Absence