Here is some test data for you:
THOT 900+ hours
TYPICAL TECHNICAL PROPERTIES
Revised as of 3/07
AMSOIL Synthetic Universal Automatic Transmission Fluid ATF)
Kinematic Viscosity @ 100°C, cSt (ASTM D-445)6.8
Kinematic Viscosity @ 40°C, cSt (ASTM D-445)33.5
Viscosity Index (ASTM D-2270)168
Noack Volatility, % weight loss (ASTM D-5800)10.2
Flash Point °C (°F) (ASTM D-92) 222 (432)
Pour Point °C (°F) (ASTM D-97)-53 (-63)
Four Ball Wear Test, Scar in mm; 40 kg, 75°C, 1200 rpm, 1 hr (ASTM D-4172B)0.40
Brookfield Viscosity (cP)-20°C = 1298
Brookfield Viscosity (cP)-40°C = 9326