Industry material published in Lube Magazine aligns with what Sinopec Online observes across industrial sectors that depend on dependable hydraulic power. Tribology has a central role in improving efficiency, reducing wear and extending the service life of hydraulic components. Sinopec hydraulic fluids are formulated to support these needs through stable viscosity, strong wear control and reliable cleanliness.
Hydraulics and the influence of tribology
Hydraulic systems rely on the controlled movement of fluid under pressure. Friction at contact surfaces influences heat generation, component life and energy use. Tribology focuses on these interactions and guides decisions about surface preparation, material selection and lubricant formulation.
Industry insight highlights the value of controlled surface roughness and improved lubricant film stability. Better surface finishing reduces direct contact and encourages more efficient operation. This reduces wear and supports smoother control of pumps, motors and valves.
The importance of viscosity
Correct viscosity selection is essential for any hydraulic system. Oil that is too thick can increase energy consumption and raise operating temperatures. Oil that is too thin can reduce film strength and raise the risk of metal contact.
Seasonal factors also matter. Colder climates may require lower viscosity grades for easier movement at start up. Warmer environments or high load applications may require more stable viscosity behaviour under heat and pressure.
Surface treatments and improved film performance
Industry material published in Lube Magazine notes several surface treatment techniques that help optimise tribological behaviour. These treatments aim to reduce surface variation and improve lubricant distribution, which reduces friction and increases efficiency. Treated components often show improved wear patterns and better thermal stability.
Sinopec hydraulic fluids are formulated to support these benefits by providing consistent film strength and clean operation across a wide range of industrial machinery.
High performance synthetic hydraulic fluids
Published research indicates that ultra high viscosity index synthetic hydraulic fluids can offer improved performance in temperature stability and lubrication behaviour. These fluids are valued in equipment requiring precise control, consistent response and strong protection.
Sinopec produces both mineral and synthetic hydraulic fluids designed for stable viscosity, dependable oxidation control and strong anti wear protection.
The importance of cleanliness
Contamination is a major concern in hydraulic systems. Wear particles, water, or dust can interfere with system performance and reduce service life. Cleanliness is essential to maintain control accuracy and component reliability.
Sinopec Online supports operators with advice on storage, filtration and handling practices to preserve fluid quality.
Sinopec hydraulic products for industrial systems
Sinopec produces hydraulic fluids across a full range of ISO viscosity grades, available in both standard antiwear L HM and high performance L HM HPC formulations. These are listed here from ISO 32 to ISO 100.
High performance L HM HPC products
- Sinopec Hydraulic Oil L HM HPC ISO 32
- Sinopec Hydraulic Oil L HM HPC ISO 46
- Sinopec Hydraulic Oil L HM HPC ISO 68
- Sinopec Hydraulic Oil L HM HPC ISO 100
The full Sinopec hydraulic collection can be viewed at Sinopec Online Hydraulic Oil.
Support for industrial operators
Sinopec Online assists operators with fluid selection, viscosity guidance and product handling advice to help maintain efficiency and equipment reliability across varied conditions.
All Sinopec lubricants supplied by Sinopec Online are genuine, factory-sealed products backed by technical support.
Reference material: Independent tribology analysis published in Lube Magazine. Sinopec Online supplies Sinopec branded hydraulic fluids.
Author: Sinopec Online Technical Team
Date: 16 November 2025
