HF 22-24
GOST 5546-86
HF 22-24 is a thickened petroleum oil.
HF 22-24 is used in freon refrigerating unit compressors, which run on the R-22 cooling agent.
| Index name | Norm |
|---|---|
| Kinematic viscosity, mm2/с (cSt): | |
| at 50°С, within | 24,5-28,4 |
| Acid number, mg KOH/g, max. | 0,04 |
| Open flash point, °C, min. | 130 |
| Pour point, °C, max. | -55 |
| Stability against oxidation, max.: | |
| a) residue, % | - |
| b) acid number after oxidation, mg KOH/g | - |
