Ultragrade Performance 19, 4x4l
Edwards Ultragrade 19, 4x4l (H11025011) is a premium vacuum pump mineral oil formulated to provide excellent performance, thermal and oxidative stability and rust protection.
Manufacturer: EDWARDS
Series: Ultra grade performance oil
Technology: mineral lubricant,Oils and fats
Order number: H11025011
Ultragrade Performance 19, 4x4l (H11025011) from Edwards
Edwards Ultragrade 19, 4x4l (H11025011) mineral oil is specially designed for use in vacuum pumps and, thanks to its unique hydrotreatment process, offers an almost 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 in the oil allow the pump to withstand high operating temperatures without degrading the oil, allowing longer oil drain intervals. Ultragrade 19 is suitable for various applications and guarantees optimal performance of your vacuum pump.
TECHNICAL INFORMATION
| oil type | ultragrade 19 |
| Vapor pressure mbar 20 °C | 1 × 10⁻⁸ |
| Vapor pressure mbar 100 °C | 1 × 10⁻³ |
| Used | Small and medium-sized two-stage rotary vane pumps where 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 | sufficient |
| radiation resistance | sufficient |
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