Product Catalog

Machine tool hydraulic oil (L-HL)

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It is a kind of anti-oxygen and anti-rust hydraulic oil, which is made of high quality compound additive and deep refined and hydrorefined base oil. Designed for machine tool hydraulic systemFor stable lubrication solutions, viscosity grades: available in a variety of grades to meet the lubrication needs of light duty to medium and heavy duty machine tools. Rust resistance: through 24 hours liquid phase corrosion Test (no rust), copper corrosion test (100℃/3h) up to level 1 standard, protect key components from corrosion. Low temperature fluidity: pour point as low as -12 ° C (such as 15# grade), to meet the short-term use needs of northern winter.

Performance Test Results

Project

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Model

15

22

32

46

68

100

150

Density ( 20℃ ) / (kg/m3)

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Chroma /No.

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Appearance

transparent

transparent

transparent

transparent

transparent

transparent

transparent

Flash point ( open ) /℃ No less than

140

165

175

185

195

205

215

Kinematic viscosity/(mm2/s)

  • 40℃
  • 0℃ not more than

 

13.5-16.5

140

 

19.8-24.2

300

 

28.8-35.2

420

 

41.4-50.6

780

 

61.2-74.8

1400

 

90-110

2560

 

135-165

-

Viscosity index b Not less than

80

80

80

80

80

80

80

Pour point c /℃ No higher than

-12

-9

-6

-6

-6

-6

-6

Acid value d (in KOH)/(mg/g)

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Water content (mass fraction) /% No more than

trace

trace

trace

trace

trace

trace

trace

Mechanical impurities

none

none

none

none

none

none

none

Copper corrosion (100℃, 3h)/level No more than

1

1

1

1

1

1

1

Liquid phase corrosion ( 24h )

Rust-free

Rust-free

Rust-free

Rust-free

Rust-free

Rust-free

Rust-free

Foaming properties ( foaming tendency / foaming stability )/ (mL/mL )

  • Program I ( 24℃ ) No more than
  • Procedure II (93.5 ℃ ) No more than
  • Program III ( 24°C later ) No more than

 

 

 

150/0

 

75/0

 

150/0

 

 

 

150/0

 

75/0

 

150/0

 

150/0

75/0

150/0

 

 

 

150/0

 

75/0

 

150/0

 

 

 

150/0

 

75/0

 

150/0

 

 

 

150/0

 

75/0

 

150/0

 

 

 

150/0

 

75/0

 

150/0

Air release value (50℃)/min No more than

5

7

7

10

12

15

25

Demulsification ( time for emulsion to reach 3ml ) /min

  • 54 ℃ No more than
  • 82 ℃ No more than

 

 

30

-

 

 

30

-

 

 

30

-

 

 

30

-

 

 

30

-

 

 

30

-

 

 

30

-

Seal Adaptability Index No more than

14

12

10

9

7

6

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List Price