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Lubricants Beyond Today's Standards TM
Petro-Canada™ Lubricants' distribution network extends to over 80 countries worldwide
Excluding the regions of Crimea, Donetsk and Luhansk
Petro-Canada™ Lubricants' distribution network extends to over 80 countries worldwide
The vapor pressure of lubricating oil is very low and except for certain low vacuum or very high temperature applications, is not a limiting factor in typical lubrication practice. The data below were obtained by extrapolating the boiling points, at several reduced pressures, for three common viscosity grades of lube oil.
| 30-35 cSt 150 SUS |
65-70 cSt 300 SUS |
80-85 cSt 400 SUS |
|
|---|---|---|---|
| Oil Viscosity @ 40°C | |||
| Oil Temp °C | Vapour Pressure, millimeters of Mercury | ||
| 40 | 0.00004 | 0.0000005 | 0.00000025 |
| 60 | 0.0003 | 0.000007 | 0.0000027 |
| 90 | 0.002 | 0.00008 | 0.000035 |
| 120 | 0.015 | 0.0009 | 0.0004 |
| 150 | 0.11 | 0.011 | 0.005 |
| 180 | 0.8 | 0.12 | 0.055 |
| 230 | 5.8 | 1.5 | 0.7 |
| 290 | 35 | 15 | 7.4 |
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