Vacuum oil VM-1c
vacuum oil
Description
Vacuum oil VM-1c – is used as a working fluid in a steam-high vacuum pumps, mechanical vacuum pump with an oil seal. The most important parameters for are vacuum oil viscosity, the boiling point at a residual pressure of 0.01 mmHg and the saturated vapor pressure. Vacuum oil BM-1 and BM-1s – interchangeable
.
Technical Specifications
| Indicator | Norm |
|---|---|
| Density at 20oC, g /cm3, not more than | 0.87
|
| Color, units of CNT, not more than | colorless
|
| Kinematic viscosity at 50 ° C, mm 2 /s, not less than | 35
|
| Flash point in open crucible, oC: | 243
|
| Pour point, oC, not more than: | N /A
|
| The water content,%: | no
|
| Mass fraction of mechanical impurities,%: | no
|
| The content of water-soluble acids and alkalis,%: | no
|
| Ash content,%, not more than | 0.01
|
| Vapor pressure at 20 ° C, Pa (mm Hg), no more than | 5.3h10-6 (4.0h10-8)
|
| boiling temperature at which the vapor pressure is 1.33 Pa (1.1 10-2 Torr?), OC: | 140-150
|
Additional information
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