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The Castrol Aircol™ SR compressor oil range of premium lubricants are designed for use in rotary screw compressors and are based on polyalphaolefin (PAO) fluids.;Advantages;Increased oil service life of typically up to 8000 hours in most systems, depending on the operating environment.;Very low deposit forming tendency, extends service life of filters and separators.;Outstanding oxidation stability and antiwear performance providing long lubricant and equipment life.;Ester-free formulation eliminates the formation of corrosive acids leading to longer equipment life.;Excellent water separation characteristics allow condensation to readily separate from the oil, minimising the risk of emulsions which could block the oil separator element.;PAO based lubricant means good compatibility with seals and mineral oil based lubricants, allowing changeover to Aircol SR without compatibility issues.