Shell Turbo T 68 features high quality hydroprocessed (API Group II) base oils and a combination of zinc-free additives to protect critical turbine components and promote system efficiency. T 68 is a high-quality gas and steam turbine oil designed to resist oxidation and help prevent deposit and sludge formations, minimizing the need for maintenance. In addition, Shell Turbo T 68 features anti-foam additives and has fast air release properties to reduce the possibility of pump cavitation and gear wear. Superior oxidation stability. Non-corrosively to metals. Fast separation of water and good de-aeration properties.