ISO 7120
PETROLEUM PRODUCTS AND LUBRICANTS - PETROLEUM OILS AND OTHER FLUIDS - DETERMINATION OF RUST-PREVENTING CHARACTERISTICS IN THE PRESENCE OF WATER.
Defines a method for evaluating these products to indicate the effectiveness in preventing the rusting of ferrous parts should water becomes mixed the oil/fluid. The method is for application to inhibited oils including steam turbine oils, circulating oils and hydraulic oils and non-hydrocarbon fluids including fluids denser than water.