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CASTROL Brayco 599

Rust Preventive Concentrate for Synthetic Turbine Oil

Brayco 599


Brayco 599 Description
Castrol Brayco 599 is a specially designed synthetic base, dark amber, rust preventative concentrate. Brayco 599 Us
The recommended operating temperature range for MIL-PRF-7808 type oils are from –54°C to 149°C (-65°F to 300°F).

Brayco 599 Uses
Brayco 599 is designed for use as an additive for turbine engines and helicopter transmissions which use
MIL-PRF-23699 lubricating oil. Brayco 599 should be added to the oil sump immediately after an oil change when the equipment is intended to be placed in storage, especially in locations where high humidity and salt spray are present. The corrosion inhibited oil should be capable of limited use, not to exceed 25 hours. Consult the engine manufacturer's manual to determine specific engine model recommendations and/or limitations.

Brayco 599 Preparation
To receive full protection for extended equipment storage, it is recommended to add Brayco 599 in concentrations between 10 and 15 percent by volume. Lower concentrations, between 5 and 10 percent, may be suitable for some component storage applications depending upon storage conditions and length of storage. Consult the engine manufacturer's maintenance manual or service bulletin to determine specific engine model dilution ratio recommendations.

Brayco 599 Specifications
Brayco 599 meets all the requirements of, and is qualified to MIL-PRF-8188D. This fluid is identified by NATO Code: C-638.

Brayco 599 Limitations
Brayco 599 is used in MIL-PRF-23699 synthetic turbine oils at 10-15% by volume addition for storage. It meets the requirements of General Electric, Aircraft Engine Group Specification D50TF6-S1.

Brayco 599 Shelf Life:
Brayco 599 has a maximum recommended shelf life of 9 years from date of manufacture. This shelf life assumes that the product is stored in its original unopened packaging in ambient temperature conditions.


Brayco 599 Typical Properties:

Brayco 599 

Health, safety and environmental information are provided for this product in the Safety Data Sheet. This gives details of potential hazards, precautions and First Aid measures, together with environmental effects and disposal of used products. Castrol will not accept liability if the product is used other than in the manner or with the precautions or for the purpose(s) specified. Before using the product other than directed, please contact Castrol for consultation.