Shell Advanced vacuum pump oil S1 R68 (original Shell 18A Advanced vacuum pump oil) Meng Seng the 134/1613/1707 Shell senior vacuum pump oil S1 R68 is highly solvent refined, high viscosity index paraffinic mineral oil blending and dehydration process designed vacuum pumps use special lubricants. : Shell Senior vacuum pump oil S1 R68 is a dedicated vacuum pump oil, suitable for non-corrosive gases and vapors are drawn occasions. For the vacuum is less than 1 mbar vacuum pump, should be based on the model of the pump and suction media, referring to the machine manufacturer's suggested the use of other suitable lubricant. The performance characteristics: 1. Has good oxidation stability, not easy to produce the formation of sludge, varnish and other oxides. 2 through a special drying process, a low moisture content, good water separation properties. 3 high viscosity index, a small change in viscosity with temperature. Packaging: 20L / barrel