Performance Test Results
Model |
No. 0 |
No. 1 |
No. 2 |
No. 3 |
Working cone penetration/(0.1mm) |
355~385 |
310~340 |
265~295 |
220~250 |
Dropping point/℃ not less than |
170 |
175 |
175 |
175 |
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 |
No green or black change on copper sheet |
Similar viscosity (-10℃, 10s -1 )/(Pa·s) not more than |
150 |
250 |
500 |
850 |
Extended working cone penetration |
420 |
380 |
350 |
320 |
Water loss (38℃, 1h) (mass fraction)/% not more than |
- |
10 |
10 |
10 |
Corrosion resistance (52℃, 48h) |
qualified |
qualified |
qualified |
qualified |
Extreme pressure performance P B , N not less than |
588 |
588 |
588 |
588 |