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Castrol® Brayco™ 885 Amber MIL-PRF-6085E Spec Low Volatility Aircraft Instrument Lubricating Oil - 5 Gallon Pail
Castrol® Brayco™ 885 Amber MIL-PRF-6085E Spec Low Volatility Aircraft Instrument Lubricating Oil - 55 Gallon Drum
Some of the instruments on your aircraft require lubrication to work how they're supposed to. For those instruments, SkyGeek carries Castrol® Brayco™ 885 Instrument Lubricating Oil in a convenient quart-size can. Castrol® Brayco™ 885 Instrument Lubricating Oil is a synthetic oil that's packed full of specialized additives that help guard against corrosion, inhibit oxidation and reduce foaming. The low-volatility formula has good viscosity and works in a wide range of temperatures. The service temperature range for Castrol® Brayco™ 885 Instrument Lubricating Oil is -65ºF to 250ºF (-54ºC to 121ºC).
Castrol® Brayco™ 885 Instrument Lubricating Oil is designed for use in a wide variety of aircraft instruments including electronics equipment and applications where a low evaporation rate is desired. Because it can adversely affect certain paints and elastomers, Castrol® Brayco™ 885 Instrument Lubricating Oil should not be used on exterior surfaces and should always be tested for compatibility before use.
| TEST METHOD | DESCRIPTION | MIL-PRF-6085D REQUIREMENTS | RESULT |
| D 287 | API Gravity @ 16°C | N/A | 21.6 |
| Table 3 | Specific Gravity @ 16/16°C (60/60°F) | N/A | 0.924 |
| Table 8 | Pounds per Gallon @ 16°C (60°F) | N/A | 7.7 |
| D 1500 | Color, ASTM | 5 Maximum | <2.0 |
| D 445 | Viscosity, cSt @ 54°C (130°F) @ -54°C (-65°F) | 8 Minimum 12,000 Maximum | 8.96 10,900 |
| D 97 | Pour Point, °C (°F) | -57 (-70) Maximum | <-57 (<-70) |
| D 92 | Flash Point, COC, °C (°F) | 185 (365) Minimum | 226 (439) |
| D 974 | Acid Number, mg KOH/gm | Report | 0.11 |
| D 91 | Precipitation No., ml | 0 | 0 |
| D 972 | Evaporation Loss, % wt 22 hrs @ 120°C (248°F) | 1.80 Maximum | 0.38 |
| Spec 4.4.5 | Low Temperature Stability 72 hrs @ -54°C (-65°F) | No gelling or separation | Pass |
| Spec 3.7 | Workmanship | Pass | Pass |
| D 4636 | Corrosion-Oxidation Stability 168 hrs @ 121°C (250°F) Corrosion, Pitting, Etching Wt. change, mg/cm2: -Copper -Steel -Aluminum -Magnesium -Cadmium Viscosity Change, 54°C (130°F), % Neutralization No. Change, mg KOH/gm No evidence or separation or gumming | None 0.2 Maximum 0.2 Maximum 0.2 Maximum 0.2 Maximum 0.2 Maximum -5 to +5 0.5 Maximum Pass | None 0.006 0.005 0.011 0.006 -0.0048 0.337 0.05 Pass |
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