Does penetration and saturation of concrete by machine lubricating oil cause concrete deterioration and strength loss?
Lubricating oils do not harm concrete unless they contain vegetable or fatty oils, which can cause slow disintegration. However, concrete exposed to petroleum oil should be designed to be impervious to prevent penetration of oil. Surface treatments are generally used. PCA’s 36-page report, Effects of Substances and Guide to Protective Treatments, IS001, is a good reference on this topic, and suggests a number of possible protective coatings. Removing oil stains: Because lubricating or petroleum oils penetrate concrete surfaces easily, stains require immediate attention. If the oil has not been fully absorbed, the excess should be soaked up with an absorbent material such as a paper towel or cloth. Wiping should be avoided as it spreads the stain and drives the oil into the concrete. The spot should be covered with a dry, powdered, absorbent material (such as hydrated lime, fuller’s earth, calcium carbonate, portland cement, or fly ash) and after a day swept up. This treatment continues
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