Castrol Brayco 589, 208L

Castrol Brayco 589 is a high-quality, light amber coloured, inhibited synthetic ester-based gas turbine lubricating and preservative oil designed for lubrication, preservation and long-term corrosion protection of aircraft gas turbine engines. The product is primarily formulated for the preservation of turboprop and turbojet engines designed to operate with MIL-PRF-7808 type oils. Its specialised formulation provides effective corrosion protection during storage while also allowing limited use as an aircraft engine lubricant during final acceptance runs and short-term engine operation.

Applications:

Castrol Brayco 589 is primarily intended for the preservation and corrosion protection of turboprop and turbojet aircraft engines. It can be used both for long-term engine preservation and during final acceptance runs of aircraft engines requiring MIL-PRF-7808 oils. Brayco 589 is also capable of limited use as an aircraft gas turbine engine lubricant for a period not exceeding 25 operating hours.

Product advantages and benefits:

• Long-term corrosion protection: effectively protects internal turbine engine components during storage and extended periods out of service.
• Dual-purpose performance: can be used both as a preservative oil and, for a limited period, as a lubricant in suitable aircraft gas turbine engines.
• Designed for turboprop and turbojet engines: provides effective protection for demanding aviation propulsion systems.
• Excellent low-temperature properties: a typical pour point of -63°C supports reliable performance under extremely cold conditions.
• Controlled evaporation loss: helps maintain an effective protective oil film during prolonged preservation.
• Effective protection in humid environments: passes the ASTM D1748 humidity cabinet test, demonstrating effective corrosion protection under high-humidity conditions.
• Controlled foaming characteristics: meets the applicable static foaming requirements.
• Military specification qualification: Brayco 589 meets all requirements of and is qualified to MIL-PRF-8188D.

Specifications and classifications:

• MIL-PRF-8188D – meets all requirements and is qualified to the specification.
• NATO Code – C-638.
• MIL-PRF-7808 – intended for preservation and limited operation of engines requiring this type of oil.

Approvals and qualifications:
Castrol Brayco 589 is qualified to MIL-PRF-8188D and is identified by NATO Code C-638. The product is formulated for the preservation of aircraft gas turbine engines designed to operate with MIL-PRF-7808 oils and can also be used during final acceptance runs of such engines. When used as an aircraft engine lubricant, the operating period must not exceed 25 hours.

Technical data:

Temperature range:
The recommended operating temperature range for MIL-PRF-7808 type oils is from -54°C to +149°C (-65°F to +300°F). Product selection and operating conditions should always comply with the requirements specified by the manufacturer of the particular engine or equipment.

Material compatibility:
Castrol Brayco 589 is a synthetic ester-based fluid and may adversely affect certain paints and elastomers. Serious deterioration of rubber components, coatings, paints and other organic materials may occur if the product is used in systems originally designed for petroleum-based fluids. Before use, compatibility with all existing system components should be verified and any necessary material changes should be made.

Storage and handling:
The product should be stored in its original, tightly closed container and protected from moisture and contamination. During use, the requirements of the engine manufacturer and current product safety recommendations should always be followed. When Brayco 589 is used as an aircraft engine lubricant, the maximum operating period of 25 hours must not be exceeded.

Castrol Brayco 589 is a specialised synthetic preservative and corrosion preventive oil designed for the protection of turboprop and turbojet aircraft engines. The combination of long-term corrosion protection, excellent low-temperature properties and the ability to provide limited service as an aircraft engine lubricant makes it a professional solution for preservation and final acceptance runs of aircraft engines requiring MIL-PRF-7808 type oils. Qualification to MIL-PRF-8188D and NATO Code C-638 confirm its suitability for demanding aviation applications.

Documents to download:
Product Data Sheets