рус / eng
UAE Phone: +971 (6) 5570710, e-mail:

Shopping cart: 0



Skydrol 500-B4 Fire Resistant Aviation Hydraulic Fluid

Increases the reliability and performance of hydraulic systems of aircraft
Great thermal stability and erosion resistance
  • Airbus Industrie NSA 307.110
  • Boeing Commercial Airplane Co. BMS 3-11
  • British Aerospace BAC M.333.B
  • Lockheed Aircraft Corp. LAC C34-1224
  • McDonnell Douglas Corp. DMS 2014
  • Society of Automotive Engineers AS 1241
  • 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.

Buy and price.

Skydrol 500B-4 is available here at Trast Aero!

We have a reliable logistics system that secures the delivery of your orders. We are a top distributor of high-class aviation engine oils and greases and we ship worldwide. We have professional staffs to provide you with the detailed information and the technical specifications of our products. To buy Skydrol 500B-4, terms and conditions of purchase, please contact our Sales department. 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
@ 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    

Related goods and services
AeroShell Grease 33MS Multi-purpose airframe grease

AeroShell Grease 33MS Multi-purpose airframe grease
AeroShell Oil 100 Mineral lubricating oil

AeroShell Oil 100 Mineral lubricating oil
BP Turbo Oil 2197

BP Turbo Oil 2197