Vacuum Pump Gear Fluid
6531
6531 is designed for use in a wide range of vacuum pump gear applications. It is formulated to provide a long oil life with excellent oxidative stability, film strength, lubricity and wear protection. It offers outstanding protection — even in the most demanding applications.
Attributes
- Excellent lubricity
- High film strength
- Long oil life
- Superior dispersant properties
- Resists water contamination
- Protects against rust and corrosion
- Controls carbon and varnish formation
- Non-toxic/non-hazardous
Lubricant Properties
Vacuum Pump Gear Fluid6531
| Grades | Test Method | 150 | 220 | 320 |
|---|---|---|---|---|
| Viscosity cSt @ 40°C | 150 | 219 | 314 | 438 |
| Viscosity cSt @ 100°C | 15.5 | 20.4 | 26.1 | 34.2 |
| Viscosity Index | 106 | 109 | 109 | 115 |
| Flash Point °F (°C) | 500 (260) | 505 (263) | 512 (267) | 517 (269) |
| Pour Point °F (°C) | 3 (-16) | 7 (-14) | 10 (-12) | 12 (-11) |
| Rust Test | Pass | Pass | Pass | Pass |
| Copper Corrosion, 24 Hr | 1a | 1a | 1a | 1a |
| Demulsibility, 54.4°C, 30 Min | 40/40/0 | 40/40/0 | 40/40/0 | 40/40/0 |