Esterex™ P81

Esterex™ P81 is a API category Group V fluids. Esterex™ P81 has excellent low-temperature properties, good lubricating properties, and low volatilities. Esterex™ P81 can be used as sole basestocks or blendstocks with other synthetic fluids in many automotive and industrial lubricant applications. Esterex™ P81 is ideal for use in air compressor applications, where low viscosity indices are acceptable and low-cost, clean operation is desirable.

Principal: ExxonMobil Chemical

Chemical Family: Phthalate Esters

End Uses: Automotive Lubricants, Industrial Lubricants

Fluids & Lubricants Type: Industrial Oils & Fluids

    Enhanced TDS

    Identification & Functionality

    Blend
    No
    Chemical Family
    Chemical Name
    Fluids & Lubricants Functions
    Function
    Base Stocks & Oils
    Product Code
    MITM04545
    Single Ingredient
    Yes
    Technologies
    Product Families

    Features & Benefits

    Applications & Uses

    Properties

    Physical Form
    Note

    ² - Single sample or two sample average determinations.

    Packaging & Availability

    Other

    Acid Number
    max. 0.14 mg KOH/g
    Aniline Point
    max. 20.0 °C
    Appearance
    Bright and clear
    Biodegradability Content
    54.5 %
    Boiling Point (SDS)
    286.0 °C
    Color (SDS)
    Colorless
    Color Scale
    max. 0.5 ASTM
    Elongation
    -5.6 %
    Elongation
    -29.9 %
    Elongation
    -13.2 %
    Fire Point
    293.0 °C
    Fire Point
    293.0 °C
    Flash Point
    265.0 °C
    Flash Point
    239.0 °C
    Flash Point
    239.0 °C
    Flash Point
    265.0 °C
    Flash Point (SDS)
    min. 220.0 °C
    Group Principal Number
    S000101
    Hardness
    -3.0 HV
    Hardness
    -14.0 HV
    Hardness
    -16.0 HV
    Hydrolytic Stability
    0.27
    Insoluble in (SDS)
    Water
    Item Number
    Kauri-Butanol (KB) Value
    60.0
    Kinematic Viscosity
    74050.0 mm²/s
    Kinematic Viscosity
    8.3 mm²/s
    Kinematic Viscosity
    84.0 mm²/s
    Moisture Content
    8.0 %(W/W)
    Odor (SDS)
    Mild
    Oxidation Stability Index
    min. 2500.0 s
    Pour Point
    -33.0 °C
    Pour Point
    -33.0 °C
    Pour Point (SDS)
    max. -34.0 °C
    Principal
    Refractive Index
    1.483
    Relative Density (SDS)
    0.96
    Specific Gravity
    0.955
    Tensile Strength
    -0.5 kgf/cm²
    Tensile Strength
    -43.5 kgf/cm²
    Tensile Strength
    -37.2 kgf/cm²
    Vapor Pressure (SDS)
    max. 0.013 kPa
    Viscosity (SDS)
    8.5 cSt
    Viscosity (SDS)
    86.7 cSt
    Viscosity Index
    52.0
    Volatile Content
    4.9 %(W/W)
    Volatile Content
    4.9 %(W/W)
    Volatile Content
    4.9 %(W/W)
    Volume Expansion
    3.5 %
    Volume Expansion
    31.4 %
    Volume Expansion
    48.2 %
    Optical Properties
    ValueUnitsTest Method / Conditions
    Color Scalemax. 0.5 ASTMASTMASTM D1500
    Refractive Index1.483-ASTM D1218 at 25°C
    Chemical Properties
    ValueUnitsTest Method / Conditions
    Acid Numbermax. 0.14 mg KOH/gmg KOH/gASTM D974
    Aniline Pointmax. 20.0 °C°CASTM D611
    Biodegradability Content54.5 %%OECD 301F
    Hydrolytic Stability0.27-ASTM D2619 total acid number change
    Kauri-Butanol (KB) Value60.0-ASTM D1133
    Shelf Life & Stability
    ValueUnitsTest Method / Conditions
    Oxidation Stability Indexmin. 2500.0 ssASTM D2272 with antioxidant
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Elongation-5.6 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Elongation-29.9 %%ASTM D471 Elastomer compatibility, nitrile
    Elongation-13.2 %%ASTM D471 Elastomer compatibility, polyacrylate
    Hardness-3.0 HVHVASTM D471 Elastomer compatibility, fluoroelastomer
    Hardness-14.0 HVHVASTM D471 Elastomer compatibility, nitrile
    Hardness-16.0 HVHVASTM D471 Elastomer compatibility, polyacrylate
    Tensile Strength-0.5 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, fluoroelastomer
    Tensile Strength-43.5 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, nitrile
    Tensile Strength-37.2 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, polyacrylate
    Physical Properties
    ValueUnitsTest Method / Conditions
    Fire Point293.0 °C°CASTM D92
    Fire Point293.0 °C°CCleveland Closed Cup
    Flash Point265.0 °C°CASTM D92
    Flash Point239.0 °C°CASTM D93
    Flash Point239.0 °C°CPensky-Martens Closed Cup (PMCC)
    Flash Point265.0 °C°CClosed Cup
    Kinematic Viscosity74050.0 mm²/smm²/sASTM D445 at -25°C
    Kinematic Viscosity8.3 mm²/smm²/sASTM D445 At 100°C
    Kinematic Viscosity84.0 mm²/smm²/sASTM D445 At 40°C
    Moisture Content8.0 %(W/W)%(W/W)ASTM D972 at 205°C, 6.5 hr
    Pour Point-33.0 °C°CASTM D5950
    Pour Point-33.0 °C°CASTM D97
    Specific Gravity0.955-ASTM D4052 at 20°C
    Viscosity Index52.0-ASTM D2270
    Volume Expansion3.5 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Volume Expansion31.4 %%ASTM D471 Elastomer compatibility, nitrile
    Volume Expansion48.2 %%ASTM D471 Elastomer compatibility, polyacrylate
    Material Composition
    ValueUnitsTest Method / Conditions
    Volatile Content4.9 %(W/W)%(W/W)Noack Volatility Test
    Volatile Content4.9 %(W/W)%(W/W)DIN 51581
    Volatile Content4.9 %(W/W)%(W/W)ASTM D5800
    SDS Physical and Chemical Properties
    ValueUnitsTest Method / Conditions
    Boiling Point (SDS)286.0 °C°CInternal Method
    Flash Point (SDS)min. 220.0 °C°CASTM D93
    Pour Point (SDS)max. -34.0 °C°CInternal Method
    Relative Density (SDS)0.96-Internal Method at 15°C
    Vapor Pressure (SDS)max. 0.013 kPakPaat 20°C, 0.1 mm Hg
    Viscosity (SDS)8.5 cStcStAt 100°C
    Viscosity (SDS)86.7 cStcStat 40°C