China Dalian Seven Star No. 100 Vacuum Pump Oil 16liter Packing for Vacuum Metalizing Machine Vacuum Pump Application, Find details about China Diffusion Pump Oil, Diffusion Pump Lubricant from China Dalian Seven Star No. 100 Vacuum Pump Oil 16liter Packing for Vacuum Metalizing Machine Vacuum Pump Application
Dalian No.3 seven star diffusion pump oil is a deep dewaxing lubricant, produce by vacuum molecular distillation, aluminum adsorption and film degassing processes,etc. This product has a low vapor pressure and a suitable chemical composition; with the ideal ultimate vacuum degree and fast pumping speed; also with the feature of very high thermal oxidation stability, can work for long time even in poor working condition.
No.3 diffusion pump oil can be used as a working fluid for various types of glass and metal diffusion pump, used in high vacuum distillation, vacuum metallurgy, electronics industry and the nuclear industry which has requirements to obtain a high vacuum environment systems.
No.3 diffusion pump oil pump can also be used as a working fluid for straight league vacuum pump.
Item | No.3 diffusion pump oil | |
Quality index | Typical data | |
Kinematic viscosity 50ºCmm²/s | 60.2-79.8 | 67.26 |
Pour point ºC not more than | -10 | -14 |
Flash point openingºC not lower than | 232 | 284 |
Mechanical impurities % | no | no |
Moisture content % | no | no |
Ash content % not more than | 0.007 | 0.001 |
Acid value mgKOH/g not more than | 0.01 | 0.006 |
Ultimate pressure Pa not more than | 666.61×10-7 | 90*10-7 |
Saturated vapor pressure pa not more than | 266.644×10-8 | 120*10-8 |
Carbon Residue % not more than | 0.12 | 0.02 |
Copper corrosion level not more than | 1 | 1 |
Color comparisons | <0.5 |
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