This standard establis es the method for determining the aging stability of additive turbine oils, oils with antioxidant and anticorrosive additives which, during a long period of operation, come into contact with water or its walls and which in turn, have a specific gravity lower than this one.
NC 33-38-1985 history
1985NC 33-38-1985 Oil and Oil Derivatives. Lubricating Oils. Method for Determining the Stability to Aging