M-8V
GOST 10541-78
Motor oil M-8B is used all-season in medium-duty gasoline engines of cars and trucks with a frequency of replacement up to 18 thousand km of run, as well as winter oil for medium-engine diesel engines. It is prepared from a mixture of distillate and residual components or a distillate component of a narrow fractional composition with an effective additive composition.
Alkaline number, mg KOH/ g, not less4,2
| Index name | Norm |
|---|---|
| Viscosity kinematic at 100°C, mm2/s | 7,5-8,5 |
|
at 0°С
|
≤1200 |
|
at -18°С
|
not normalized |
|
at -30°С
|
- |
| Viscosity index, not less than | 93 |
| Mass fraction,%, not more: | |
|
mechanical admixture
|
0,015 |
|
water
|
traces |
| Temperature, °С: | |
|
Flash point in open crucible, ˚С
|
207 |
|
Pour point, ˚С
|
-25 |
| Corrosion on lead plates, g / m2, not more | 10,0 |
| Ash sulphate,%, not more | 0,95 |
| Stability on induction period of sedimentation (IPO), withstands, h | |
|
15
|
- |
|
20
|
- |
|
30
|
withstands |
| Density at 20°C, kg / m 3, not more than | 905 |
| Mass fraction of active elements,%, not less: | |
|
calcium's
|
0,16 |
|
zinc's
|
0,09 |
|
phosphorus's
|
0,09 |
| Dynamic viscosity, PA-s, not more: | |
|
at -18°С
|
- |
|
at -15°С
|
- |
