PURUS® EP Gear Oils are a series of premium extreme pressure industrial gear lubricants formulated to provide excellent performance on enclosed gears of all types. They are blended with selected grades of naturally high viscosity index, thermally stable, parafinic base stocks and fortified with a carefully selected additive system designed to give high levels of protection against gear and bearing wear, rust, oxidation and hydrolytic decomposition meeting or exceeding the following specifications: U.S. Steel 224, DIN 51517 Part 3, AGMA 9005-D94, David Brown S1-53-101, Cincinnati Milacron, Clean Panel Coker and S- 200 Oxidation Tubes.