The name of the indicator | Key features |
Appearance | A cream that stays out from light yellow to dark yellow |
The dew point temperature should not be lower than ° C | 135 |
Penetration, mm-1, at 25 ° C | 200-260 |
Colloidal stability,% of the separated oil should not be too high | 22 |
Corrosion effect on metals | durable |
The amount of free alkaline should not be greater than% | 0.2 |
The amount of water should not be more than% | 0.4 |
Quantity of mechanical mixtures,%, no more | there is no |