Performance Test Results
Project |
Quality indicator |
Quality indicator |
Quality indicator |
Viscosity class |
75W/90 |
80W/90 |
85W/90 |
Kinematic viscosity (100℃), mm2/s |
13.5~24.0 |
13.5~24.0 |
13.5~24.0 |
When the apparent viscosity reaches 150mpa·s, the temperature is not higher than ℃ |
-40 |
-26 |
-12 |
Grooving point, ℃ is not higher than |
-45 |
-35 |
-20 |
Flash point (opening) /℃ not lower |
165 |
175 |
185 |
Viscosity index is not less than |
85 |
85 |
85 |
Corrosion test copper sheet (121℃, 3h), grade not greater than |
2a |
2a |
2a |
Mechanical impurities, % not greater than |
0.08 |
0.08 |
0.08 |
Moisture, % not more than |
vestige |
vestige |
vestige |
Storage stability
|
0.5
0.25 |
0.5
0.25 |
0.5
0.25 |
Foamability (tendency to foam), ml
|
20 50 20 |
20 50 20 |
20 50 20 |
Seal fit test |
pass |
pass |
pass |
Load capacity (CL-100 or FZG gear machine) Failure level is not less than |
11 |
11 |
11 |
Thermal oxidation stability (L-60-1 test)
|
100
3
2
9.4
7.5 |
100
3
2
9.4
7.5 |
100
3
2
9.4
7.5 |
Thermal stability (MACK cycle test) |
pass |
pass |
pass |