Excebiol Biodegradable Lubricant Base Oil [Development Product]

Poly alkylene glycol-based lubricant that combines water solubility, biodegradability, and lubricity.

Sanyo Chemical’s Biodegradable Lubricant Base Oil. Here is what makes “EXCEBIOL” so great!

1. Excellent water solubility and biodegradability

  • The EXCEBIOL series has excellent water solubility, so it mixes easily with water and does not separate over time, maintaining a uniform liquid state.
  • The EXCEBIOL series is biodegradable, making it environmentally friendly even in the event of leakage into the environment.

2. Excellent lubricating function

  • The “EXCEBIOL” series covers a wide range of viscosities with a rich lineup, enabling the selection of the grade that best suits various applications.

3. Extensive lineup covers a wide range of viscosities

  • The EXCEBIOL series has excellent water solubility, so it mixes easily with water and does not separate over time, maintaining a uniform liquid state.

“EXCEBIOL” is a poly alkylene glycol-based lubricant base oil that is friendly to people and the environment.

Potential Applications

EXCEBIOL” is biodegradable and can be used as a lubricant base in various fields to reduce environmental impact in case of accidental leakage.

1. Marine energy-related

Marine energy-related

Lubricant base for wind turbine generators, etc.

2. Ship related

Ship related

Lubricant base for power sources such as marine screws, etc.

3. Agricultural and Construction Machinery

Agricultural and Construction Machinery

Lubricant base for agricultural and construction machinery, etc.

4. Molding and processing

Molding and processing

Mold release agents, etc., in the molding and processing field

Main properties of “EXCEBIOL”

EXCEBIOL has superior water solubility and biodegradability compared to existing base oils such as ester, mineral, and PAO base oils and exhibits comparable lubricating properties.

Table 1. Main properties of the EXCEBIOL series and comparison with other base oils (1)

Water-solubility
✓: Homogeneous dissolution
(no mark: Insoluble separation)
Biodegradability
[OECD301]
✓: ≧60%
Lubricity (coefficient)
[SRV method]*
μ (100N)
EXCEBIOL
MR-260
0.116
EXCEBIOL
MR-660
0.116
EXCEBIOL
TE-600
0.153
EXCEBIOL
DE-300
0.156
EXCEBIOL
DE-1000
0.147
Ester oil 0.137
Mineral oil 0.18
PAO oil 0.23

*Test conditions for lubricity [SRV method] / Lubricity (coefficient of friction) evaluation using an oscillating friction and wear test (SRV tester)
-Test specimen: Steel ball (SUJ-2, Φ 10 mm), steel disk (SUJ-2)
-Test conditions: Load 100 N (50 → 500 N), frequency 50 Hz, vibration width 1.0 mm, temperature 40°C

Table 2. Main properties of the EXCEBIOL series and comparison with other base oils (2)

40°C Kinematic Viscosity
(mm2/s)
100°C Kinematic Viscosity
(mm2/s)
Pour Point
(°C)
EXCEBIOL
>MR-260
49 11 -40
EXCEBIOL
MR-660
141 26 -34
EXCEBIOL
TE-600
91 12 -61
EXCEBIOL
DE-300
34 6 -13
EXCEBIOL
DE-1000
- 17 37
Ester oil 69 8 -40
Mineral oil 37 7 -13
PAO oil 30 6 -61

Water solubility of “EXCEBIOL”

“EXCEBIOL” easily mixes with water and maintains a homogeneous state after shaking.

Table 3. Evaluation of water solubility of “EXCEBIOL”

Evaluation of water solubility of EXCEBIOL<Test Method>
EXCEBIOL water solubility evaluation test:

  • A 2ml sample of each grade of EXCEBIOL was weighed into a test tube, and 2ml of water was added gently.
    (For “EXCEBIOL DE-1000,” 3 ml of water was added to 1 g of sample.)
  • The sample was shaken first gently and then finally vigorously to check its compatibility with water.
  • After the specimens were shaken, they were allowed to stand for 24 hours, and it was observed that there was no separation of the liquids over time.

[The photographs in the table above show the appearance before shaking and after 24 hours of standing.]

Comparison test:
Ester/mineral oil/PAO base oil was tested similarly, and liquid separation from the water was observed over time.

Table 4. Change in appearance during water solubilization of “EXCEBIOL”

Change in appearance during water solubilization of EXCEBIOL

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