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Why do air compressor oil will turn black?

- Feb 07, 2017 -

Causes of black air compressor oil: air compressor lubricants decline mechanism

1. oxidation: air compressor lubricants at high temperatures and metal catalyst and air and oxidation reaction of nitrogen oxides and sulfides, alcohols, aldehydes, ketones, acids, and oxygen-containing insoluble;

2. decomposing: breaking long-chain hydrocarbons at high temperatures into smaller molecules of hydrocarbon and gas;

3. the emulsion: because of the inhaled air contains water, which cannot be mixed together, "oil" and "water" the two liquids are mixed together, and has not been replaced a long time under oil, a liquid dispersed into many particles dispersed in a liquid, milk, emulsified oil lubrication effect reduced.