Oil HA-30 (GOST 5546-86) - oil for refrigerating machines, a mixture of distillate and residual petroleum oils. It is used in refrigeration units of provision and industrial plants operating on ammonia. The flocculation temperature is - 40°С.
Physical and chemical indicators of XA-30 oil GOST-5546-86
Name of the indicator | Norm GOST (TС) |
---|---|
Kinematic viscosity, mm²/sec | |
at 20°С, not more than | 150 |
at 50°С | 28 - 32 |
Acid number, mg КОН/g, not more than | 0,05 |
Temperature, °С: | |
in the open crucible, not less than | 185 |
pour point, not higher than | -38 |
Ash, %, not more than | 0,004 |
Stability against oxidation, not more than | |
mass fraction of a deposit, %: | 0,02 |
acid number, mg КОН / g | 0,5 |
Colour, units of COP, not more than | - |
Corrosion | |
on copper plates | Absence |
on steel plates | Absence |