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Quaker Quintolubric® 888-68 Fire Resistant HFD-U Hydraulic Fluid
Categories: Fluid

Material Notes: Benefits:
  • Global formulation
  • Excellent shear stability
  • Best-in-class oxidation stability
  • Environmentally friendly
Applications: QUINTOLUBRIC® 888-68 was designed to replace anti-wear, mineral oil-based hydraulic fluids used in applications where fire hazards exist. QUINTOLUBRIC® 888-68 can also be used in environmentally sensitive hydraulic applications without compromising the overall hydraulic system operations. This fluid does not contain water, mineral oil, or phosphate ester, and is based on high-quality, synthetic, organic esters and carefully selected additives to achieve excellent hydraulic fluid performance. QUINTOLUBRIC® 888-68 offers the lubrication level of premium, antiwear hydraulic oils, and can be used with hydraulic components from all major manufacturers.

Information provided by Quaker

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Physical PropertiesOriginal ValueComments
Density 0.920 g/cc
@Temperature 15.0 °C
ASTM D1298
Viscosity Measurement 185Index; ASTM D2270
Kinematic Viscosity 135 cStASTM D445
Viscosity Measure 554 cSt
@Temperature 0.000 °C
Kinematic; ASTM D445
Kinematic Viscosity at 40°C (104°F) 68 cStASTM D445
Kinematic Viscosity at 100°C (212°F) 12.5 cStASTM D445
Vapor Pressure 0.00000320 torr
@Temperature 20.0 °C
02551
 0.00000750 torr
@Temperature 66.0 °C
02551
 
Chemical PropertiesOriginal ValueComments
Total Acid Number 2.0[mg KOH/g}; ASTM D974
 
Mechanical PropertiesOriginal ValueComments
Bulk Modulus 1870 ksi
@Pressure 20.7 MPa
 
Electrical PropertiesOriginal ValueComments
Dielectric Breakdown 30000 VASTM D887
 
Thermal PropertiesOriginal ValueComments
CTE, linear 6.00 µm/m-°CASTM D1903
Specific Heat Capacity 0.490 BTU/lb-°FASTM D2766
Thermal Conductivity 0.167 W/m-K
@Temperature 19.0 °C
ASTM D2717
Pour Point <= -30.0 °CASTM D97
Flash Point 304 °CASTM D92
Ignition Temperature >= 400 °CAutoignition; DIN 51794
 >= 450 °CHot Manifold; ISO 20823
 
Descriptive Properties
Air Release7 minASTM D3427
AppearanceYellow to amber fluid
Dry TOST800 hrsASTM D943
Fire Point360°CASTM D92
Foam Test50-0 ml-ml@ 25°C, Sequence I, ASTM D892
Gear Lubrication>12 FZG load stageDIN 51354-2
Pump Test<5 mg wearASTM D2282
Water Separability42-38-0 ml-ml-ml30 min, ASTM D1401

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WQUAK008 / 184994

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