Lube King, 2 Gallon, AW ISO 46, Hydraulic Fluid, Exceptional Protection Against Wear From Contaminants & Higher Operating Temperatures & Pressures Ensures Longer Equipment Life, Maintains Viscosity, Even Under Higher Operating Temperatures, & Has Sufficient Reserve Of Key Additives, Resulting In Longer Fluid Life & Reduced Operating Costs & Reduced Foaming Ensures Smooth, Efficient Operation & Proper Lubrication Of All Parts In The System, Specific Gravity at 60 Degrees Fahrenheit, 15.6 Degrees Celsius, 0.8683 Viscosity at 40 Degrees Celsius, CST, 46.03 Viscosity at 100 Degrees Celsius, CST 6.95 Pour Point Degrees Celsius, -33 Degrees Celsius, -28 Degrees Fahrenheit, Viscosity Index 105.