AEON PD Grease is a extreme pressure, high temperature and performance grease providing optimum bearing performance and lubrication for use in positive displacement blowers & vacuum pumps. Engineered for the Gardner Denver Legend Series but compatible with all brands of PD blowers with greasable gear housings. Solubility in Water: Negligible, <0.1% Boiling Point/Range: N/A Specific Gravity: 0.9 Melting Point: 288°C Color: Blue Volatility by Volume, %: N/A odor & Appearance: Mild Petroleum Vapor Pressure (mm Hg @ 20°C): <0.01 Evaporation Rate: <1 Vapor Density (air = 1): >1