|  Test Method  |  HyJet IV-A plus (1)  |  Limits  |  
  Kinematic Viscosity, cSt  |  ASTM D 445  |   |   |  
  at -53.9ºC (-65ºF)  |   |  1320  |  2000 max  |  
  at -26.1ºC (-15ºF)  |   |  130  |  135 max  |  
  at 37.8ºC (100ºF)  |   |  10.6  |  10.0 -11.0  |  
  at 98.9ºC (210ºF)  |   |  3.6  |  3.35 - 3.75  |  
  at 127.6ºC (260ºF)  |   |  2.6  |  1.5 min  |  
  Viscosity Index  |  ASTM D 2270  |  280  |   |  
  Shear Stability, % Viscosity Drop at 40ºC  |  ASTM D 5621  |  22  |   |  
  Pour Point, ºC (ºF)  |  ASTM D 97  |  ?-62 (-80)  |  -62 (-80) max  |  
  Specific Gravity at 25ºC/25ºC (77ºF/77ºF)  |  ASTM D 4052  |  0.996  |  0.990 -1.002  |  
  Density at 15.6ºC (60ºF), g/mL (lb/gal)  |  ASTM D 4052  |  0.999 (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  |  
  Flammability  |   |   |   |  
  Flash Point, ºC (ºF)  |  ASTM D 92  |  176 (349)  |  160 (320) min  |  
  Fire Point, ºC (ºF)  |  ASTM D 92  |  188 (370)  |  177 (350) min  |  
  Autoignition Point, ºC (ºF)  |  ASTM D 2155  |  ?427 (800)  |  400 (752) min  |  
  Foaming Tendency/Stability, mL foam/sec to collapse  |  ASTM D 892  |   |   |  
  Sequence I  |   |  27/15  |  250/100 max  |  
  Sequence Il  |   |  23/13  |  150/50 max  |  
  Sequence Ill  |   |  28/16  |  450/250 max  |  
  Particle Count, NAS 1638 Class  |  Auto Counter  |  4  |  7 max  |  
  Chemical Elements, ppm  |   |   |   |  
  Calcium  |   |  103  |  120 max  |  
  Potassium  |   |  38  |  48 max  |  
  Chlorine  |   |  10  |  50 max  |  
  Sodium  |   |  1  |  15 max  |  
  Sulfur  |   |  224  |  350 max  |  
  Four-Ball Wear, Scar diameter at 75ºC/600rpm/1hour, mm  |  Modified ASTM D 4172   |   |   |  
  4 kg  |   |  0.22  |  0.45 max  |  
  10 kg  |   |  0.33  |  0.50 max  |  
  40 kg  |   |  0.73  |  0.55 ? 0.85  |  
  Electrical Conductivity at 20ºC, microSiemens/cm  |   |  1.4   |  0.5 min   |  
  Bulk Modulus, Isothermal secant at 100ºF/3000 psi, psi  |   |  210,000  |   |  
  Thermal Conductivity at 40ºC, cal/sec/cm2/ºC (Btu/hr/ft2/ºF)  |   |  33x10^-5 (0.0799)   |   |  
  Coefficient of Thermal Expansion, 25 to 100ºC, per ºC (per ºF)  |   |  0.00086 (0.00048)  |   |  
  Specific Heat Capacity at 40 ºC, cal/g/ºC (same as Btu/lb/ºF)  |   |  0.41  |   |