Логотип Сигма-Газ
англ. версия русск.версия

Liquefied technical propane/butane GOST 20448-90

Indicators Standard
1 mass fraction of components, %
amount of methane, ethane and ethylene not standardized
amount of propane and propylene not standardized
amount of butanes and butylenes, max 60
2 volume fraction of liquid residue at 20 deg. max 1.6
3 vapour Pressure, excess, MPa:
at temperature:
plus 45oC, max 1.6
4 mass fraction of hydrogen sulfide and mercaptan sulfur,
%, max 0.013
incl. hydrogen sulfide, max 0.003
5 content of free water and alkali no
6 intensity of smell, scores, min 3