Compressor Fluids

MicroLub® AirSyn EST 990

For Screw and vane air compressors

MicroLub® AirSyn EST 990 is a premium synthetic ester-based compressor fluid engineered for rotary screw and rotary vane air compressors operating under continuous duty in hot, dusty, and demanding environments.

Its advanced ester chemistry provides reliable performance at elevated discharge temperatures, helping maintain clean compressor internals and stable operation. Under normal operating conditions, AirSyn EST 990 supports extended oil drain intervals of up to 12,000 hours. When combined with a comprehensive fluid monitoring and maintenance program, further service life extension may be achievable, subject to system condition and operating environment.

Available Documentation

• Product Data Sheet