热稳定性，得力士液压油具有的抗劣化和抗油泥生成能力，大大的提高了系统的可靠性和清洁性。

抗氧化性，在空气、水和铜存在的条件下，仍能够保持的抗氧化性。涡轮机油氧化稳定性试验(TOST)结果显示得力士具有出色的抗氧化能力，酸性低，油泥量少，油泥生成小。因此，使用得力士可延长油品换油期，降低维护成本。

水解稳定性，在潮湿环境下，得力士具有超群的化学稳定性，确保了长期使用寿命，避免了腐蚀和锈蚀的发生。

Thermal stability, delix hydraulic oil has a strong anti-degradation and anti-sludge generation ability, greatly improving the reliability and cleanliness of the system. Shell deris hydraulic oil has excellent oxidation resistance in the presence of air, water and copper. Turbine oil oxidation stability test (TOST) results show that delix has excellent anti-oxidation ability, low acidity, less sludge, sludge formation. Therefore, the use of Delix can extend the oil change period, reduce maintenance costs. Hydrolysis stability, in the wet environment, delix has superior chemical stability, to ensure long-term service life, to avoid corrosion and corrosion.