| Name of indicator |
Norm |
| Appearance |
Uniform dark ointment |
| Drop point, ° С, not lower than |
170 |
| Evaporation in evaporator cups at 120 ° С for 1 h,%, no more than |
25 |
| Corrosive to metals |
withstands |
| Water Content |
Traces |
| Mass fraction of free alkali in terms of NaOH,%, no more than |
0.1 |
| Strength at 50 ° С, Pa, not less than |
200 |
| Colloidal stability,% pressed oil, not more than |
35 |