Mobil Rarus 427 is a high-quality ashless compressor oil from the Mobil Rarus™ 400 series. Formulated with premium mineral base oils and advanced additives, it provides excellent equipment protection and reliability in demanding conditions. This oil reduces deposit formation, extends maintenance intervals, and enhances compressor performance. It features outstanding thermal and oxidative stability, making it ideal for operation at high temperatures up to 220 °C.