2019-11-11
| project | Quality indicators | The test method | |
| Level of consistency | 2# | 3# | |
| Working taper degree /0.1mm | 265~295 | 220~250 | GB/T269 |
| Drop point /℃ is not lower than | 260 | 260 | GB/T4929 |
| Corrosion (T2 copper sheet,100℃,24h) | 2 | 2 | GB/T7326 |
|
Extreme pressure performance (four ball machine method) /N
PD is not less than
ZMZ not less than
|
3089 637 |
3089 637 |
SH/T0202 SH/T0048 |
| Similar viscosity (-10z ℃,10s-1) | 800 | 1200 | SH/T0109 |
| Water leakage (38℃,1h) /% is not greater than | 5 | 5 | |
