TYPICAL TECHNICAL PROPERTIES
AMSOIL Long-Life Synthetic 75W-90 & 80W-140 Gear Lubes (FGR, FGO)
 
    75W-90
(FGR)		   80W-140
(FGO)
Viscosity Index (ASTM D-2270)   138   133
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)   15.9   26.4
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)   122.6   257.6
Pour Point °C (°F) (ASTM D-97)   -51(-67)   -40(-40)
Flash Point °C (°F) (ASTM D-92)   212(414)   218(424)
Brookfield Viscosity, cP (150,000 Max)   92,325@-40°C   59,926@-26°C
Falex Procedure B (ASTM D-3233) (failure load, lbf.)   1500   1500
Foam Stability (ASTM D-892) (20/50/20 maximum)   0/0/0   0/0/0
Copper Corrosion (ASTM D-130) 1b Max @ 121 °C (250°F) / 3hr   1b   1b
See our Technical Properties page for descriptions of these tests.
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Revised:

 

11/06