Royco 500, MIL-PRF-23699 (55 GALLON DRUM)
ROYCO 500 is a 5 centistoke synthetic lubricating oil for gas turbine engines. The product is a careful blend of "hindered" esters and modern additive technology. These carefully selected components result in a product that has demonstrated excellent performance in today’s modern gas turbines. ROYCO 500 provides superior high temperature corrosion protection and exhibits excellent antiwear capabilities. The product is blended to provide superior thermal and oxidative performance in critical turbine applications.