This synthetic oil features a diester base with additives for corrosion protection and oxidation resistance, suitable for aircraft instruments and electronic equipment. It operates effectively between -65ºF and 250ºF, with low volatility and viscosity stability. Compatibility with certain paints and elastomers should be tested prior to use.
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Overview
Temperature Range Castrol Brayco 885 is a diester base synthetic oil with additives which impart corrosion protection, minimize galvanic corrosion, inhibit oxidation, and reduce foaming tendencies. It has exceptionally low volatility and good viscosity temperature characteristics. Temperature Range Brayco 885 is designed to operate over the temperature range of -65ºF to 250ºF (-54ºC to 121ºC). Application Brayco 885 is intended for use in aircraft instruments, electronic equipment, or in applications where an oil with a low evaporation rate is required for both high and low temperature operation, and also where oxidation and corrosion resistance are desirable. Brayco 885 may adversely affect certain paints and elastomers. Products other than those developed for diester base fluids should be carefully tested for compatibility prior to use. Specification Brayco 885 is qualified under Specification MIL-PRF-6085D. It is specified as a P-17 preservative under packaging. Specification MIL-STD-2073-1.
Features & Benefits
Low volatility: Minimizes evaporation and vapor-phase contamination in sensitive equipment
Corrosion and oxidation resistance: Additives protect components and extend service life
Minimizes galvanic corrosion: Formulated to reduce bimetallic corrosion risks
Wide temperature performance: Reliable operation from -65°F to 250°F (-54°C to 121°C)
Low foaming tendencies: Ensures smooth operation of instruments and mechanisms
Military specification compliance: Qualified to MIL-PRF-6085E for aerospace use
Specifications
Part Number: 27021AECD
Manufacturer: Castrol®
Container Size: 1 US Quart
Form: Liquid
Color: Clear (<2.0 ASTM)
Base Fluid: Diester Synthetic Oil
Operating Temperature Range: -65°F to 250°F (-54°C to 121°C)
Qualification: MIL-PRF-6085E
Viscosity (at -54°C / -65°F): 11,530 mm²/s
Flash Point (Open Cup): 225°C / 437°F
Pour Point: < -57°C / < -70°F
Applications: Aircraft instruments, electronic equipment, and precision low-volatility lubrication
Compatibility Notes: May adversely affect certain paints and elastomers; test for compatibility before use
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