Brayco 599 is designed for use as an additive for turbine engines and helicopter transmissions that use MIL-PRF-23699F 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 exeed 25 hours. Please consult the engine manufacturer's manual to determine specific engine model recommendations and/or limitations.
To receive full protection for extended equipment storage, Castrol recommends addition of Brayco 599 in concentrations between 10% and 15% by volume. Lower concentrations between 5% and 10% may be suitable for some component storage applications depending upon storage conditions and length of storage. Please consult the engine manufacturer's maintenance manual or service bulletin t
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