MIL-PRF-83282D
TABLE II. Properties of the finished fluid - Continued.
Characteristic
Requirement
Concentration of red dye
One part per 10,000 parts of oil by weight, max.
Corrosiveness and oxidation stability
Change in weight of steel, aluminum
Corrosiveness
alloy, magnesium alloy, and cadmium-plated
steel: 0.2 milligrams per square centimeter
(mg/cm2), max.
Slight discoloration of cadmium is permitted.
Change in weight of copper: 0.6 mg/cm2, max.
No pitting, etching, nor visible corrosion at a
magnification of 20 diameters (20X).
Any corrosion produced on the surface of the copper
shall be less than No. 3 of the ASTM Copper
Strip Corrosion Standard
(ASTM-D130 Adjunct, available from ASTM
as number 12-401300-00).
Resistance to oxidation
No evidence of separation or gumming of fluid.
Change in viscosity at 40°C: 10 percent, max.
Increase in neutralization number: 0.2, max.
Evaporation
20.0 percent by weight, max.
Fire point
245°C, min.
Flammability
Flame propagation
0.30 cm/second, max.
Wick flammability
10 cycles, min.
Flash point
205°C, min.
Foaming characteristics at 25°C
At end of 5 minute blowing period: 65 ml, max.
(foam height in container)
After settling 10 minutes: complete collapse 1/
High temperature - high pressure spray ignition
The fluid shall not continue to burn when the source
of ignition is removed.
High temperature stability
The change in the viscosity at 40°C shall not exceed
5 percent.
The neutralization number shall not increase more
than 0.1.
There shall be no formation of precipitate or
insoluble material.
Low temperature stability (72 hours at -40 ±1°C)
No evidence of gelling, clouding, crystallization,
solidification or separation of ingredients.
Lubricity, 10 ±0.5 milliliter (ml) sample:
Maximum scar diameter: 0.21 millimeter (mm)
Under a 1 kilogram (kg) load
Maximum scar diameter: 0.30 mm
Under a 10 kg load
Maximum scar diameter: 0.65 mm
Under a 40kg load
Neutralization number
0.10, max.
Pour point
-55°C, max.
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