Performance Test Results
Model |
No. 1 |
No. 2 |
No. 3 |
Appearance |
Light yellow to brown smooth ointment |
Light yellow to brown smooth ointment |
Light yellow to brown smooth ointment |
Working cone penetration/(0.1mm) |
310~340 |
265~295 |
220~250 |
Dropping point/℃ not less than |
170 |
175 |
180 |
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 |
Steel mesh oil separation (100℃, 24h) (mass fraction)/% No more than |
10 |
5 |
5 |
Evaporation (99℃, 22h) (mass fraction)/% not more than |
2 |
2 |
2 |
Similar viscosity (-15℃, 10s -1 )/(Pa·s) not more than |
800 |
1000 |
1300 |
Extended working cone penetration (100,000 times)/ |
380 |
350 |
320 |