Ultragrade Performance 19, 4l
Edwards Ultragrade 19, 4l (H11025013) is a first-class vacuum pump mineral oil developed for excellent performance, thermal and oxidative stability and rust protection.
Manufacturer: Edwards
Series: Ultragrade Performance oil
Category: Mineral lubricant, Oils and greases
Ordering information: H11025013
Related vacuum pumps/compressors:
Ultragrade Performance 19, 4l (H11025013) from Edwards
The Edwards Ultragrade 19, 4l (H11025013) mineral oil is specially designed for use in vacuum pumps and, thanks to its unique hydrotreatment process, offers a virtually pure base oil. This process removes nitrogen, sulphur, oxygen and aromatic hydrocarbons and, in combination with additives, provides improved vacuum performance, thermal and oxidative stability and rust inhibition. The antioxidants contained in the oil allow the pump to withstand high operating temperatures without oil degradation, which makes longer oil change intervals possible. Ultragrade 19 is suitable for a variety of applications and guarantees optimum performance of your vacuum pump.
TECHNICAL INFORMATION
| Oil type | Ultragrade 19 |
| Vapour pressure mbar 20 °C | 1 × 10⁻⁸ |
| Vapour pressure mbar 100 °C | 1 × 10⁻³ |
| Use | Small and medium-sized two-stage rotary vane pumps where a high ultimate vacuum and good lubrication are required. |
| Molecular weight | 420 |
| Specific gravity at 15 °C | 0.86 |
| Viscosity cSt at 20 °C | 143.7 |
| Viscosity cSt at 40 °C | 48.6 |
| Pour point °C | -16 |
| Flash point °C | 230 |
| Auto-ignition point °C | 355 |
| Thermal stability | good |
| Oxidation resistance | good |
| Chemical resistance | adequate |
| Radiation resistance | adequate |
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