1.T309 Extreme Pressure/EP Anti-wear Additive 2.lubricant additive 3.Triphenyl thiophosphate T309 extreme pressure and anti-wear additive-Triphenyl thiophosphate For use in the Anti-wear Hydraulic Oils, Gear Oils Aviation Lubricating grease and steam turbine oilsApplicationT309 extreme pressure and anti-wear additive is primarily used for blending anti-wear hydraulic oils, gear oils, oil film ...