Esterex™ A41

Esterex™ A41 is a API category Group V fluids. These esters have excellent low-temperature properties, high viscosity indices, good lubricating properties, and low volatilities. Esterex™ A41 can be used as sole basestocks or blendstocks with other synthetic fluids in many automotive and industrial lubricant applications. Esterex™ A41 is ideal in high-temperature conditions, such as reciprocating air compressors, where discharge valve cleanliness is required.

Principal: ExxonMobil Chemical

Chemical Family: Synthetic Esters

End Uses: Automotive Lubricants, Industrial Lubricants

Fluids & Lubricants Type: Industrial Oils & Fluids

    Enhanced TDS

    Identification & Functionality

    Blend
    No
    Chemical Family
    Country of Origin
    Fluids & Lubricants Functions
    Function
    Base Stocks & Oils
    Product Code
    MITM04533
    Single Ingredient
    Yes
    Technologies
    Product Families

    Features & Benefits

    Applications & Uses

    Properties

    Physical Form
    Note
    • ² - Single sample or two sample average determinations.
    • ³ - Single sample or two sample average determinations 1 wt.% diphenylamines and phenyl naphthylamine antioxidant (AO) added.

    Packaging & Availability

    Principal Information

    Group Principal Number
    S000101
    Principal

    Other

    Appearance
    Bright and clear
    Color (SDS)
    Amber
    Insoluble in (SDS)
    Water
    Item Number
    Odor (SDS)
    Mild
    USA/DOT UN Number
    Not Applicable
    Optical Properties
    ValueUnitsTest Method / Conditions
    Color Scalemax. 0.5 ASTMASTMASTM D1500
    Refractive Index1.4505-ASTM D1218 at 25°C
    Chemical Properties
    ValueUnitsTest Method / Conditions
    Acid Number0.01 mg KOH/gmg KOH/gASTM D974
    Aniline Pointmax. 20.0 °C°CASTM D611
    Biodegradability Content76.5 %%OECD 301F
    Hydrolytic Stability0.13-ASTM D2619 total acid number change
    Kauri-Butanol (KB) Value72.0-ASTM D1133
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Elongation-9.1 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Elongation-41.3 %%ASTM D471 Elastomer compatibility, nitrile
    Elongation-22.0 %%ASTM D471 Elastomer compatibility, polyacrylate
    Hardness-4.0 HVHVASTM D471 Elastomer compatibility, fluoroelastomer
    Hardness-12.0 HVHVASTM D471 Elastomer compatibility, nitrile
    Hardness-17.0 HVHVASTM D471 Polyacrylate
    Tensile Strength-6.6 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, fluoroelastomer
    Tensile Strength-50.5 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, nitrile
    Tensile Strength-38.3 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, polyacrylate
    Physical Properties
    ValueUnitsTest Method / Conditions
    Fire Point249.0 °C°CASTM D92
    Fire Point249.0 °C°CCleveland Closed Cup
    Flash Point231.0 °C°CASTM D92
    Flash Point201.0 °C°CASTM D93
    Flash Point201.0 °C°CPensky-Martens Closed Cup (PMCC)
    Flash Point231.0 °C°CClosed Cup
    Kinematic Viscosity3.6 mm²/smm²/sASTM D445 at 100°C
    Kinematic Viscosity14.0 mm²/smm²/sASTM D445 at 40°C
    Kinematic Viscosity3286.0 mm²/smm²/sASTM D445 at -40°C
    Moisture Content22.3 %(W/W)%(W/W)ASTM D972 at 205°C, 6.5 hr
    Pour Point-57.0 °C°CASTM D5950
    Pour Point-57.0 °C°CASTM D97
    Specific Gravity0.921-ASTM D4052 at 15.6°C
    Viscosity Index144.0-ASTM D2270
    Volume Expansion8.3 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Volume Expansion23.5 %%ASTM D471 Elastomer compatibility, nitrile
    Volume Expansion42.7 %%ASTM D471 Elastomer compatibility, polyacrylate
    Material Composition
    ValueUnitsTest Method / Conditions
    Volatile Content15.6 %(W/W)%(W/W)Noack Volatility Test
    Volatile Content15.6 %(W/W)%(W/W)DIN 51581
    Volatile Content15.6 %(W/W)%(W/W)ASTM D5800
    SDS Physical and Chemical Properties
    ValueUnitsTest Method / Conditions
    Boiling Point (SDS)min. 260.0 °C°CInternal Method
    Flash Point (SDS)201.0 °C°CASTM D93
    Pour Point (SDS)-62.0 °C°CInternal Method
    Relative Density (SDS)0.92-at 15°C, with respect to water
    Vapor Pressure (SDS)max. 0.133 hPahPaAt 20°C
    Viscosity (SDS)3.5 cStcStat 100⁰C
    Viscosity (SDS)14.5 cStcStat 40°C