Performance Test Results
Model |
No. 1 |
No. 2 |
No. 3 |
Appearance |
Blue smooth uniform ointment |
Blue smooth uniform ointment |
Blue smooth uniform ointment |
Working cone penetration/(0.1mm) |
310~340 |
265~295 |
220~250 |
Dropping point/℃ not less than |
260 |
260 |
260 |
Corrosion (T2 copper sheet, 100℃, 24h) |
No green or black change on copper sheet |
No green or black change on copper sheet |
No green or black change on copper sheet |
Water loss (38℃, 1h), % (mass fraction) |
5 |
5 |
5 |
Change rate of extended working cone penetration |
15 |
20 |
20 |
Leakage (104℃, 6h), g not more than |
2.5 |
2.5 |
2.5 |
Corrosion resistance (52℃, 48h) |
qualified |
qualified |
qualified |
Evaporation amount (180℃, 1h), % (mass fraction) |
5 |
5 |
5 |
Oxidation stability (99℃, 100h, 0.770MAa) |
0.07 |
0.07 |
0.07 |
Similar viscosity (-10℃, 10s), Pa.s not more than |
500 |
800 |
1200 |
Bearing life (149℃), h not less than |
400 |
400 |
400 |