Castrol Hyspin™Spindle Oil E5 is based upon highly refined mineral oil enhanced with rust and oxidation inhibitors and formulated to provide outstanding protection against rust and oxidation while demonstrating good lubricity. This type of oil is also referred to as "R and O" oil.;Features and Benefits;Good thermal and oxidative stability leads to longer operating life, reduction in lubricant costs and minimises deposit formation giving a cleaner system.;Good protection of yellow metal and ferrous components helps maintain and prolong equipment life.;Excellent water separation and hydrolytic stability means reduced down time through prolonged lubricant life and increased equipment reliability.;Controlled foaming to provide consistent lubrication under the high agitation conditions found in spindle bearings.