Hydraulic fluids and lubricants play a crucial role in the operation of hydraulic systems, ensuring efficient performance and longevity. Hydraulic fluids are specialized liquids used to transfer energy, control movement, and lubricate components within a hydraulic system. Their properties, such as viscosity, thermal stability, and corrosion resistance, are vital for optimal performance. Viscosity determines how easily the fluid flows, impacting system efficiency. Thermal stability ensures the fluid remains effective at high temperatures, while anti-wear additives protect components from friction and wear. Corrosion resistance prevents damage to metal parts. Understanding these hydraulic fluid properties is essential for selecting the right fluid for specific machinery and operating conditions.