MOBIL JET II

MOBIL JET II is a high-performance aircraft-type gas turbine lubricant that combines a stable synthetic base fluid with a specialized chemical additive package. This formulation offers exceptional thermal and oxidative stability, preventing degradation and deposit formation in both liquid and vapor phases. It also provides excellent resistance to foaming. Mobil Jet Oil II operates effectively in temperatures ranging from -40 °C (-40 °F) to 204 °C (400 °F), ensuring reliable performance across a wide range of operational conditions.

Product Type: Lubricant

Application Area: Turbo-Fan Gas Turbine Engines, Turbo-Jet Gas Turbine Engines, Turbo-Prop Gas Turbine Engines, Turbo-Shaft (Helicopter) Gas Turbine Engines

Compatible Substrates & Surfaces: Metal

Features: Chemical Stability, Corrosion Resistant, Deposit Prevention, Good Thermal Stability, High Oxidation Stability, High Performance, Low Oil Consumption, Low Pour Point, Wear Resistant

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Identification & Functionality

Features & Benefits

Applications & Uses

Properties

Specifications
ValueUnitsTest Method / Conditions
Autoignition Temperature404°C30 CFR 35.20
Change in Kinematic Viscosity (at 40°C, 72 h)0.15%ASTM D2532
Density (at 15°C)1.0035kg/IASTM D4052
Elastomer Compatibility (72hr at 240°C, % swell)15.6-AMS-3217/1, FTMS 791-3604
Elastomer Compatibility (72hr at 70°C, % swell)16.4-AMS-3217/1, FTMS 791-3604
Evaporation Loss (at 204°C, 6.5 h)3mass %ASTM D972(mod)
Evaporation Loss (at 232°C, 29.5" Hg, 6.5 hr)10.9mass %ASTM D972 mod
Evaporation Loss (at 232°C, 5.5" Hg, 6.5 hr)33.7mass %ASTM D972 mod
Fire Point285°CASTM D92
Flash Point270°CASTM D92,Cleveland Open Cup
Foam (Sequence I, Tendency)8mlASTM D892
Foam (Sequence II, Tendency)10mlASTM D892
Foam (Sequence III, Tendency)8mlASTM D892
Kinematic Viscosity (at 100°C)5.1mm²/sASTM D445
Kinematic Viscosity (at 40°C)27.6mm²/sASTM D445
Kinematic Viscosity (at -40°C)11000mm²/sASTM D445
Pour Point-59°CASTM D5950
Shear Stability0.9%KV lossASTM D2603
Total Acid Number0.03mg KOH/gARP 5088
Ryder Gear Load Carrying (% vs ref)115-FTMS 791-6508