Логотип Сигма-Газ
англ. версия русск.версия

Technical propane GOST 20448-90

Indicators Standard
1 amount of methane, ethane and ethylene not standardized
amount of propane and propylene, min 75
amount of butanes and butylenes, min not standardized
max not standardized
2 volume fraction of liquid residue at 20оС, % max 0,7
3 vapour Pressure, excess, MPa, at temperature:
45 оС, max 1,6
20 оС, min 0,16
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