ISO 68 Hydraulic Oil

Avana ISO 68 Hydraulic oil is designed to meet the characteristics of anti-corrosion, anti-wear, anti-oxidants, and anti-foam. The hydraulic oil ISO 68 is produced from approved additives and highly refined base stocks which possess good oxidation and thermal stability. Avana ISO 68 Hydraulic oil is among the best options for industrial and agricultural applications. It can also be used for moving equipment like jacks and gears. The clear and bright liquid with a mild melting odour has a boiling point of greater than 300˚C. The hydraulic fluid is manufactured according to the requirements of International Standards Viscosity Grade of ISO 68.

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Avana ISO 68 Hydraulic oil is prominent for its best anti-foaming and air-release properties. The ISO 68 hydraulic oil has a perfect density of 0.87 at 15˚C(kg/L) which contributes to better contamination control. Through the transport and removal of contaminants or particles, the highly sensitive hydraulic system gets to perform seamlessly. It has a boiling point that is greater than 300˚C and a flashpoint of 224˚C ensuring a high ignition resistance. 

Delving further into its properties, the vapour pressure of Avana ISO 68 Hydraulic oil stands impressively low at less than 0.1kpa. With air as the baseline at 1, the vapour density of this hydraulic oil is greater than 2.0. Furthermore, considering its fluidity, the kinematic viscosity at 40˚C has a value of 68.0 cSt, while at 100˚C kinematic viscosity, it reaches the value of 8.75 cSt. The ISO 68 possesses a viscosity index of 100, emphasizing its suitability for various hydraulic applications. To prevent the oil from thickening or adversely affecting its performance in colder environments, the pour point of this oil has been made up to -31˚C. 

It is suitable for the majority of materials while meeting the requirements and specifications of DIN 51524 Part 2 – category HLP, ISO 6743/4 – category HM, Denison HF-2 TP-02100 Filterability Test, Sperry Vickers M-2950-S, I-286-S. These standards guarantee that the oil maintains its optimal filtration, longevity, and smooth and efficient operation of hydraulic systems. Additionally, Avana ISO 68 Hydraulic oil has Afnor NF E 48-600, Thyssen TH N-256132, US Steel 127 SEB 181.222, and VDMA 24318 specifications that highlight the oil’s ability to withstand demanding conditions making it a preferred choice in various industrial applications. Avana ISO 68 Hydraulic oil with an evaporation rate of less than 1 is completely insoluble in water and soluble in petroleum solvents. If you’re looking for a safe and reliable hydraulic fluid with all the key characteristics and requirements, Avana ISO 68 Hydraulic oil is the most dependable choice.

ISO 68 Hydraulic Oil Features

1. Corrosion Protection

Avana ISO 68 Hydraulic fluid with its incorporation with inhibitors during the formulation takes a proactive stance against corrosion. The inhibitors help the hydraulic fluid to create a protective shield that guards against all forms of corrosion. This ensures the seamless functioning of hydraulic systems even during challenging environments and also extends the lifespan of critical components.

2. Demulsification Characteristics

Avana ISO 68 Hydraulic oil exhibits notable emulsifying characteristics. They have the superior ability to separate from water ensuring the prevention of the formation of emulsions. This feature contributes to the easy removal of water from the system. Therefore, it is crucial in the applications where water contamination is a concern, as it facilitates water removal.

3. Anti-Foaming And Air-Release Properties

If you’re looking for a hydraulic fluid that helps your hydraulic system work efficiently without the interference of foaming, then Avana ISO 68 Hydraulic fluid is the best choice. The remarkable anti-foaming properties of our superior ISO68 hydraulic fluid prevent the formation of unwanted bubbles resulting in enhanced system stability. Moreover, the advanced air-releasing properties of this hydraulic fluid expel the trapped air in the system contributing to optimal performance and integrity of the hydraulic system.

4. High Oxidation Resistance and Thermal Stability

Oxidation and high temperatures are the crucial factors that highly affect the performance of hydraulic systems. The superior quality antioxidants and temperature additives incorporated in the formulation of ISO 68 hydraulic fluid helps to maintain the hydraulic system’s integrity even in demanding conditions. The high oxidation resistance and thermal stability ensure prolonged fluid life and enhance the efficiency of the hydraulic system by preventing the formation of harmful by-products.

5. Anti-Wear Performance

When it comes to automobiles and machinery, wear is an inevitable property. Our ISO 68 hydraulic fluid possesses excellent anti-wear properties that reduce friction between the moving parts in the system ensuring consistent and reliable operation. The fluid creates a protective barrier between the moving components minimizing friction and wear and extending the lifespan of critical components.

5. Compatibility With Hose Materials

Our ISO 68 hydraulic fluid is formulated to be compatible with the majority of hose materials. Compatibility or versatility is the key feature of Avana ISO 68 Hydraulic oils. This compatibility with various hose materials in the hydraulic system ensures a seamless fit with different equipment set-ups, providing flexibility and ease of use across diverse applications.

Application of ISO 68 Hydraulic Oil

  • ISO 68 Hydraulic oil are formulated for a wide range of applications such as industrial, agricultural, and moving equipment like jacks, lightly loaded gears, etc.
  • ISO 68 hydraulic fluid is well suited for applications in which lubricants with the best oxidation stability are required.
  • ISO 68 is designed to lubricate lightly loaded reciprocating compressors
  • It is suitable for use in industrial hydraulic units and equipment where extreme pressure is needed.
  • ISO 68 hydraulic fluid is recommended for centralized lubrication systems and machining stocks.
  • It is ideal for applications where long service life and a range of industrial hydraulic systems are required.

Specification of ISO 68 Hydraulic Oil

DIN 51524 Part 2, Category HLP
ISO 6743/4, Category HM
Denison HF-2 TP-02100 Filterability Test
Sperry Vickers M-2950-S, I-286-S
Afnor NF E 48-600
Thyssen TH N-256132
US Steel 127
SEB 181.222
VDMA 24318

Test Data of ISO 68 Hydraulic Oil

ISO Grade 68
Specific Gravity @ 15.6 ̊C 0.880
Kinematic Viscosity @ 40 ̊C (cSt) 68.0
Kinematic Viscosity @ 100 ̊C (cSt) 8.75
Viscosity Index 100
Flash Point (COC ̊C) 224
Pour Point ( ̊C) -31

Frequently Asked Question (FAQ)

1. What is ISO 68 used for?

ISO 68 hydraulic oil is commonly used for almost every industrial, agricultural, and other machinery applications. It is recommended for where long service life and a wide variety of industrial hydraulic systems are required. They are mainly used for lubricating lightly loaded reciprocating compressors and moving equipment like jacks, gears, etc.

2. What does 68 mean in hydraulic oil?

These are the specific types of hydraulic oil that possess the ISO viscosity grade 68. The VG in ISO 68 hydraulic oil stands for viscosity grade. Hence, the 68 in hydraulic oil refers to the standardized VG class. ISO 68 indicates a mid-range of viscosity that complies with almost every hydraulic system.

3. What is the difference between ISO 68 and ISO 32 oil?

Numbers such as 32, and 68 represent the viscosity grades of the hydraulic oil. The ISO 68 is thicker than the ISO 32 hydraulic oil. So, during the winter season, it is better to use ISO 32 hydraulic oil. In the case of ISO 68, it is the best choice for summer where a hydraulic oil with high viscosity is needed.

4. What colour is hydraulic oil?

Hydraulic fluid is a clear fluid in which colour ranges from almost clear to amber. Therefore, any slight change in colour such as milky or dark indicates that contaminants are present in the fluid.

5. Why is viscosity important in hydraulic fluid?

Like any other lubricant, viscosity is a critical component of hydraulic fluid. It determines the fluid’s resistance to flow. Lubes should have a balanced viscosity to perform its duties in every environmental condition. Avana ISO 68 Hydraulic oil offers the perfect viscosity for optimal performance across a range of temperatures and pressures. This contributes to the seamless operation of hydraulic systems.

6. Can ISO 68 be used in different temperature conditions?

Yes. ISO 68 Hydraulic oil lubricant is specifically formulated to perform well in varying temperature conditions. The versatile nature of this fluid maintains its viscosity characteristics in all temperature conditions ensuring consistent flow and lubrication.

7. How often should ISO 68 hydraulic fluid be changed?

The reapplication of ISO 68 Hydraulic oil depends on various factors such as operating conditions, equipment type, and manufacturer’s recommendation. However, frequent checks on the fluid’s condition, including viscosity and colour can help you determine the suitable time for the reapplication of fluid.

8. Can ISO 68 hydraulic fluids improve energy efficiency?

Yes. The anti-wear and anti-friction properties of ISO 68 Hydraulic oil help to reduce friction and wear in the hydraulic system resulting in overall efficiency. The smooth operation and reduced friction will decrease the amount of energy loss and result in reduced operating costs.

9. Are ISO 68 compatible with different materials?

Yes. ISO 68 Hydraulic oil is compatible with almost every component in the hydraulic system. The versatile nature of this hydraulic fluid helps it to be compatible with commonly used seals and material types in hydraulic systems. This ensures a long-lasting performance without causing any damage to the system.

10. Is ISO 68 hydraulic fluid environment-friendly?

Most of the components present in ISO 68 hydraulic oil are environment-friendly. The product is formulated with eco-friendly additives and petroleum-based oils. It comes under the non-hazardous or non-dangerous classification. However, fresh or used products may be harmful to aquatic life. Therefore it is advisable to check the product specifications and labels to ensure compliance with environmental regulations.


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