Performance Test Results
Project |
Quality indicator |
Quality indicator |
Quality indicator |
Model |
5W40 |
10W40 |
15W40 |
Kinematic viscosity ( 100 ℃), mm2 / s |
12.5~<16.3 |
12.5~<16.3 |
12.5~<16.3 |
Low temperature dynamic viscosity/(mPa.s) not more than |
3500(-25) |
3500(-20) |
3500(-15) |
High temperature and high shear viscosity (150℃, 10 6 s -1 )/(mPa.s) not less than |
2.9 |
2.9 |
3.7 |
Boundary pumping temperature, ℃, not more than |
-30 |
-25 |
-20 |
Flash point (open), ℃ No less than |
200 |
205 |
215 |
Pour point, ℃ No higher than |
-35 |
-30 |
-23 |
Sulfated ash (mass fraction) /% not more than |
1.2 |
1.2 |
1.2 |
Alkalinity (in KOH ) /mg/g |
Report |
Report |
Report |
Evaporation loss (mass fraction) /% not more than |
20 |
20 |
20 |
Shear stability Not less than |
12 |
12 |
12 |
Foaming properties (foam tendency / foam stability), mL/mL
|
10/0 50/0 10/0 |
10/0 50/0 10/0 |
10/0 50/0 10/0 |
Water (volume fraction), % No more than |
trace |
trace |
trace |
Mechanical impurities (mass fraction), % No more than |
0.01 |
0.01 |
0.01 |
Phosphorus content, % (mass fraction) is not greater than |
0.08~0.12 |
0.08~0.12 |
0.08~0.12 |
High temperature deposits, mg TEOST MHT-4 not more than |
45 |
45 |
45 |