project | Quality indicators | The test method |
SO viscosity grade | 32 46 68 100 | GB/T3141 |
The viscosity index is not less than | 100 | GB/T2541 |
Kinematic viscosity (40℃) /mm2/s | 28.8~35. 2 41.4~50.6 61.2~74.8 90~110 | GB/T265 |
Flash point (opening) /℃ not less than
|
175 180 180 190 | GB/T3536 |
Pour point /℃ is not higher than
|
-12 | GB/T3535 |
Corrosion test (24h) | No rust | GB/T11143 |
Foam property (foam tendency/foam stability)
ML/mL (Ⅰ Ⅱ Ⅲ no greater than
|
150/0
75/0
150/0
|
GN/T12579 |
Oxidation stability (acid value up to 2.0mgKOH/g) h is not less than |
1500
|
GB/T12581
|
The emulsification resistance (40-37-3ml) /min is not greater than that |
30(54℃) 30(54℃) 30(54℃) 30(82℃)
|
GB/T3142 |
Deep refined base oil is used, ashless anti-wear hydraulic oil additive is added, and it is scientifically formulated and blended into a new blending process.