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Shandong Leierfu Railway Lubricating Oil Co., Ltd.
Address: Middle Section of Qilu Petrochemical Ethylene North Road, Zibo City, Shandong Province
Phone: +86-15665457777
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Analysis of causes for the oxidation of lubricating oil
Class:News Date:2016/6/28 10:40:27
Lubricating oil will produce oxidation, after deep oxidation of the lubricating oil, the internal chemical composition of oxygen increased, the molecular weight increased from hydrocarbons to non-hydrocarbon compounds; external appearance of darker, more precipitation, increased corrosion Large, so that the use of performance decline. This is why we regularly change the lubricant.
Its oxidation in addition to its own chemical composition, but also with the conditions of use are closely related, such as temperature, air pressure or oxygen partial pressure of the size of the catalytic metal contact with the strength and so on.
Among them, a very important factor is the catalytic effect of the metal. Practice has proved that many metals have a catalytic effect on the oxidation of lubricating oil, the commonly used metals, copper catalytic effect of lubricating oil is larger, especially when there is water is more obvious. The main reason for the metal catalysis is to promote the decomposition of peroxide to generate free radicals, thus accelerating the oxidation reaction.
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