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Mobil Avrex S Turbo 256

Mobil Avrex S Turbo 256

Mobil Avrex S Turbo 256

Product catalog summary

Product Description: Mobil Avrex S Turbo 256 is a gas turbine lubricant designed for aircraft, combining a stable synthetic base fluid with a unique additive package. It offers excellent thermal and oxidative stability, resisting deterioration and deposit formation, and provides resistance to foaming. The lubricant operates effectively between -54°C and 176°C, with a pour point below -60°C, ensuring good heat transfer from oil-cooled engine parts.

Application: This lubricant is recommended for commercial and military aircraft gas turbine engines, especially where start-up temperatures are below -40°C. It meets U.S. Military Specification MIL-PRF-7808, Grade 3, and is approved by various engine and accessory manufacturers. While compatible with other synthetic lubricants meeting MIL-PRF-7808 or MIL-PRF-23699, mixing is not recommended to maintain performance characteristics.

Advantages: Mobil Avrex S Turbo 256 is particularly suited for extreme low temperatures where higher viscosity oils are unsuitable.

Typical Properties: Key properties include a viscosity of 3.3 cSt at 100°C, a flash point of 224°C, and a pour point of -60°C. It has a specific gravity of 0.9634 and a low total acid number (TAN) of 0.03 mg KOH/g. The evaporation loss is 19.6% after 6.5 hours at 204°C.

Health and Safety: The product is not expected to have adverse health effects when used as intended, following the Material Safety Data Sheet (MSDS) guidelines. It should not be used for unintended purposes, and care should be taken to protect the environment when disposing of used product.

Contact Information: For further technical information or to find the nearest supply source, contact ExxonMobil at 1800 662-4525 or visit their website.

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Catalog excerpts

Mobil Avrex S Turbo 256-1

Mobil Avrex S Turbo 256 E^onMobil Mobil Avrex S Turbo 256 ExxonMobil Aviation, United States Aircraft Type Gas Turbine Lubricant Product Description Mobil Avrex S Turbo 256 gas turbine lubricant is a combination of a highly stable synthetic base fluid and a unique chemical additive package. The combination provides outstanding thermal and oxidative stability to resist deterioration and deposit formation in both the liquid and vapor phases, as well as excellent resistance to foaming. The effective operating range of Mobil Avrex S Turbo 256 is between -54°C and 176°C (-65°F and 350°F). The pour point is below -60°C (-75°F). The product has a high specific heat in order to ensure good heat transfer from oil-cooled engine parts. In extensive laboratory testing and in-flight performance, Mobil Avrex S Turbo 256 exhibits excellent bulk oil stability at temperatures up to 176°C (350°F). The evaporation rate at these temperatures is low enough to prevent excessive loss of volume. Application Mobil Avrex S Turbo 256 is recommended for aircraft gas turbine engines in commercial and military service, particularly where start-up temperatures are below -40°C (-40°F). The product is approved against U.S. Military Specification MIL-PRF-7808, Grade 3, and by the following engine and accessory manufacturers: Engine and Accessory Approvals Approved in equipment specifying 3 centistokes, MIL-PRF-7808 (latest revision) lubricants. Mobil Avrex S Turbo 256 is compatible with other synthetic gas turbine lubricants meeting MIL-PRF-7808 or MIL-PRF-23699 Specifications. However, mixing with other products is not recommended because the blend would result in some loss of the performance characteristics of Mobil Avrex S Turbo 256. The product is compatible with all metals used in gas turbine construction, as well as with F rubber (Viton A), H rubber (Buna N), and FVMQ rubber (fluorosilicone). Advantages Uniquely suited for use when extreme low temperatures restrict the use of higher viscosity engine oils. Typical Properties

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Mobil Avrex S Turbo 256-2

Mobil Avrex S Turbo 256 Avrex S Turbo 256 Health and Safety Based on available information, this product is not expected to produce adverse effects on health when used for the intended application and the recommendations provided in the Material Safety Data Sheet (MSDS) are followed. MSDS's are available upon request through your sales contract office, or via the Internet. This product should not be used for purposes other than its intended use. If disposing of used product, take care to protect the environment. The ExxonMobil logotype, Mobil and Avrex S Turbo are trademarks of Exxon Mobil Corporation,...

 Open the catalog to page 2

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