AU-46 is a silicone-based fluid designed for use in rotary screw compressors. AU-46 does not break down under normal operating temperatures and pressures thereby eliminating carbon deposits, sludge and varnish formations. The systems stays clean of lubricant by-products resulting in lower maintenance costs. the high viscosity index ensures a minimum change in viscosity over the compressor´s temperature range. AU-46 has excellent water separation, corrosion protection and lubricity characteristics.