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Mobil HyJet IV-A Plus Fire-Resistant Aviation Hydraulic Fluid - SAE AS1241

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Mobil HyJet IV-A Plus Fire-Resistant Aviation Hydraulic Fluid - SAE AS1241
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Quart3 Days
Certification
Code: UN3082 | Class: 9 | Group: - Click for Details
Material Safety Data Sheets (MSDS): MSDS1
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Code: UN3082 | Class: 9 | Group: - Click for Details
Material Safety Data Sheets (MSDS): MSDS1
Our Price: $4,903.99
55 Gallon1 Day
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Code: UN3082 | Class: 9 | Group: - Click for Details
Material Safety Data Sheets (MSDS): MSDS1

This fire-resistant phosphate ester hydraulic fluid, designed for use in commercial aircraft, is the best-performing Type IV fluid that offers many of the performance capabilities of Type V fluids, including high temperature stability, low density, and rust protection. It is superior to all other Type IV fluids in these respects. Exxon HyJet IV-Aplus meets the specifications of all major aircraft manufacturers and SAE AS1241. For use in commercial aircraft hydraulic systems where phosphate hydraulic fluids are recommended.
Specifications
Exxon HyJet IV-Aplus meets or exceeds the following industry and builder specifications for Type IV, low density fluid:
  • SAE Aerospace Standard AS1241
  • Airbus NSA307110
  • ATR
  • Boeing BMS 3-11M, Type IV, Class I and Type V, X Grade B
  • Boeing (Douglas Division) DMS 2014
  • British Aerospace (Avro) BAC.M.333C
  • Bombardier/Canadair BAMS 564-003
  • Bombardier/DeHavilland
  • Cessna
  • Embraer
  • Fokker
  • Gulfstream Aerospace 1159SCH302D
  • Lockheed C-34-1224C

Typical Properties Test Method HyJet IV-A Plus Limits
Kinematic Viscosity, cSt
@ 53.9°C (-65°F)
@ 37.8°C (100°F)
@ 98.9°C (210°F)
ASTM D 445
1320
10.55
3.57

2000 max
10.0-11.0
3.35-3.75
Viscosity Index ASTM D 2270 320
Shear Stability, % Viscosity Drop at 40°C ASTM D 5621 22
Pour Point, °C (°F) ASTM D 97 < -62 (-80) -62 (-80) max.
Specific gravity at 25°C/25°C (77°F/77°F) ASTM D 4025 0.996 0.993-1.005
Density @ 15.6°C (60°F), g/mL (lb/gal) ASTM D 4025 1.001 (8.35)
Acid Number, mg KOH/g ASTM D 974 0.04 0.1 max
Water, Karl Fischer, mass % ASTM D 6304 0.1 0.2 max.
Flash Point, °C (°F) ASTM D 92 174 (346) 160 (320) min.
Fire Point, °C (°F) ASTM D 92 185 (365) 177 (350) min.
Autoignition Point, °C (°F) ASTM D 2155 >427 (800) 400 (752) min.
Foaming Tendency/Stability, mL foam/sec to collapse
Sequence I
Sequence II
Sequence III
ASM D 892
0/0
0/0
0/0

100/100 max.
75/50 max.
100/250 max.
Particle Count, NAS 1638 Class Autocounter 4 7 max.
Chemical Elements, ppm
Calcium
Potassium
Chlorine
Sodium
Sulfur

110
37
7
0
220

120 max.
48 max.
50 max.
15 max.
350 max.
Electric Conductivity at 20°C, microSiemens/cm 1.4 0.5 min.
Bulk Modulus, Isothermal secant at 100°F/3000 psi 210,000
Thermal Conductivity at 40°C, cal/sec/cm2/°C (Btu/hr/ft2/°F) 33x10-5 (0.0799)
Coefficient of Thermal Expansion, 25-100°C, per °C (per °F) 0.00086 (0.00048)
Specific Heat Capacity at 40°C, cal/g/°C (same as BTU/lb/°F) 0.41
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