T5126, hydraulic oil additive package, meet the performance requirements of major hydraulic equipment manufacturers which include EP anti-wear additive, antioxidant and antirust. With excellent thermal oxidation stability, filterability and demulsibility in the vane pumps and systems, T5126 has the capability to provide anti-wear performance reserve in a finished hydraulic fluid, suit for mineral and synthetic base oil with dosage of 0.8-1.2%.