Performance Test Results
Project |
Quality indicator |
Quality indicator |
Quality indicator |
Model |
10W40 |
15W40 |
20W50 |
Kinematic viscosity ( 100 ℃), mm2 / s |
12.5~<16.3 |
12.5~<16.3 |
16.3~<21.9 |
Low temperature dynamic viscosity/(mPa.s) not more than |
7000(-25) |
7000(-20) |
9500(-15) |
High temperature and high shear viscosity (150℃, 10 6 s -1 )/(mPa.s) not less than |
2.9 |
3.7 |
3.7 |
|
60000 (-30) |
60000 (-25) |
60000 (-20) |
Flash point (open), ℃ No less than |
205 |
215 |
215 |
Pour point, ℃ No higher than |
-30 |
-25 |
-20 |
Sulfated ash (mass fraction) /% not more than |
0.6~1.5 |
0.6~1.5 |
0.6~1.5 |
Alkalinity (in KOH ) /mg/g |
6.0~12.0 |
6.0~12.0 |
6.0~12.0 |
Evaporation loss (mass fraction) /% not more than |
Report |
Report |
Report |
Liquid phase corrosion test distilled water |
Rust-free |
Rust-free |
Rust-free |
Foaming properties (foam tendency / foam stability), mL/mL
|
20/0 50/0 20/0 |
20/0 50/0 20/0 |
20/0 50/0 20/0 |
Water (volume fraction), % No more than |
trace |
trace |
trace |
Mechanical impurities (mass fraction), % No more than |
0.01 |
0.01 |
0.01 |