Duragard 100% Synthetic SGC 627 is an ISO-100 Premium 100% Synthetic Hydrocarbon (SHC), Polyalphaolefin (PAO)-based Lubricant with a Very High Viscosity Index (HVI) for enclosed gear, circulating, compressor and hydraulic systems requiring ashless antioxidants and anti-wear formulations. It has excellent low-temperature flow properties with high thermal and oxidative stability while providing outstanding lubrication under hydrodynamic and mild boundary lubrication conditions. Duragard 100% Synthetic SGC 627 is an ISO-100 multi-purpose lubricant for use in gear systems where moderate loads and high temperatures are expected, including worm gears containing soft metals such as bronze and copper, provides superior lubrication in rotary compressors, centrifugal compressors, reciprocating compressors, vacuum pumps, high and low pressure hydraulic systems, blowers, enclosed gear units, plain and roller contact bearings, circulating and splash lubricated systems, and mist systems. Be sure to select the correct ISO Grade for your application.