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 |