Performance Test Results
Project | Quality indicator | Quality indicator | Quality indicator | Quality indicator |
Viscosity grade ( GB/T 3141 ) | 32 | 46 | 68 | 100 |
Kinematic viscosity ( 40 ℃ ) / ( mm2 /s ) | 28.8~35.2 | 41.4~50.6 | 61.2~74.8 | 90~100 |
Flash point (open)/℃ not less than | 175 | 185 | 195 | 205 |
Viscosity Index Not less than | 95 | 95 | 95 | 95 |
Pour point/℃ No higher than | -15 | -9 | -9 | -9 |
Copper corrosion (100℃, 3h)/level No more than | 1 | 1 | 1 | 1 |
Water content (mass fraction)/% not more than | trace | trace | trace | trace |
Mechanical impurities | none | none | none | none |
Liquid phase corrosion (24h)Method B | Rust-free | Rust-free | Rust-free | Rust-free |
Foaming properties ( foaming tendency / foaming stability )/ (mL/mL )
|
150/0 75/0 150/0 |
150/0 75/0 150/0 |
150/0 75/0 150/0 |
150/0 75/0 150/0 |
Demulsification ( time for emulsion to reach 3ml ) /min | 30 | 30 | 30 | - |
Air release value (50 ℃)/min No more than | 6 | 10 | 13 | Report |
The sealing adaptability index shall No more than | 12 | 10 | 8 | Report |
