Skydrol 500-B4 Fire Resistant Aviation Hydraulic Fluid
Increases the reliability and performance of hydraulic systems of aircraft
Great thermal stability and erosion resistance
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Airbus Industrie NSA 307.110
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Boeing Commercial Airplane Co. BMS 3-11
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British Aerospace BAC M.333.B
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Lockheed Aircraft Corp. LAC C34-1224
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McDonnell Douglas Corp. DMS 2014
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Society of Automotive Engineers AS 1241
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Fokker
Reliability checked by years
Specifications Skydrol 500B4
Skydrol 500B-4 is one of the
best aviation hydraulic fluid for increasing the performance and reliability of aircraft hydraulic systems. This aircraft hydraulic fluid have been in commercial use since 1978 and have exhibited excellent performance. Skydrol 500B-4 is a state-of-the-art fire-resistant
aviation hydraulic fluid usable on older
aircraft engine systems. It is a type IV hydraulic fluid specially formulated to surpass the strict specifications set by aircraft manufacturers.
Skydrol 500B-4 should NOT be used on A380, Boeing 787, Bombardier Global Express and Airbus A350, nor should it be applied in combination with other fluids. Also beware of skin contact as it may result in irritation.
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Skydrol 500B-4 price on request. On this website you will be able to learn the characteristics and
buy solutia skydrol 500b-4.
Skydrol 500B-4 hydraulic fluid is a Type IV fluid formulated to exceed the rigid specifications of the aircraft manufacturers. They have been in commercial usage since 1978 and have demonstrated outstanding performance.
Skydrol fluids are approved by all airframe manufacturers specifying phosphate ester hydraulic fluids, including the following material specifications.
Skydrol 500B4 datasheet
Property |
Test Method |
Typical Value, Units |
Acid Number (mg KOH/g) |
|
0.10 Maximum |
Appearance |
|
Clear, oily liquid |
Autoignition Temperature |
ASTM D 2155 |
460 °C (860 °F ) Minimum |
Color |
|
Purple, essentially equivalent to intensity and hue standard |
Elemental Content |
|
|
Calcium |
|
10 ppm, Maximum |
Chlorine |
|
50 ppm, Maximum |
Potassium |
|
30 ppm, Maximum |
Sodium |
|
10 ppm, Maximum |
Sulfur |
|
1185-1460 ppm |
Fire Point COC |
|
191 °C (375 °F ) Minimum |
Flash Point COC |
|
177 °C (350 °F ) Minimum |
Moisture |
|
0.20% Maximum |
Particle Contamination a |
|
|
5-15 micron size |
|
32,000 Maximum |
15-25 micron size |
|
5,700 Maximum |
25-50 micron size |
|
1,012 Maximum |
50-100 micron size |
|
180 Maximum |
Over 100 micron size |
|
32 Maximum |
Pour Point |
|
-62 °C (-80 °F ) Maximum |
Specific Gravity @ 25°C/25°C |
|
1.050-1.062 |
Viscosity |
|
|
@ 99°C (210°F) |
|
3.68-4.00 cSt |
@ 38°C (100°F) |
|
11.40-12.40 cSt |
@ -54°C (-65°F) |
|
2900 cSt Maximum |
a NAS 1638 particle counts per AS4059F |
|
|