Esterex™ NP343

Esterex™ NP343 is a API category Group V fluids. Esterex™ NP343 has excellent low-temperature properties, good lubricating properties, and low volatilities. Esterex™ NP343 can be used as sole basestocks or blendstocks with other synthetic fluids in many automotive and industrial lubricant applications. Esterex™ NP343 is ideal for use in highly loaded, high-speed lubricant applications where energy efficiency is desired.

Principal: ExxonMobil Chemical

Chemical Family: Polyol Esters (POE)

End Uses: Automotive Lubricants, Industrial Lubricants

Fluids & Lubricants Type: Industrial Oils & Fluids

    Enhanced TDS

    Identification & Functionality

    Blend
    No
    Chemical Family
    Fluids & Lubricants Functions
    Function
    Base Stocks & Oils
    Product Code
    MITM04539
    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
    0.02 mg KOH/g
    Aniline Point
    max. 20.0 °C
    Appearance
    Bright and clear
    Biodegradability Content
    76.4 %
    Boiling Point (SDS)
    min. 316.0 °C
    Color (SDS)
    Colorless
    Color Scale
    0.5 ASTM
    Density (SDS)
    940.0 kg/m³
    Elongation
    -5.6 %
    Elongation
    -34.0 %
    Elongation
    -29.6 %
    Fire Point
    291.0 °C
    Fire Point
    291.0 °C
    Flash Point
    257.0 °C
    Flash Point
    245.0 °C
    Flash Point
    245.0 °C
    Flash Point
    257.0 °C
    Flash Point (SDS)
    235.0 °C
    Hardness
    -2.0 HV
    Hardness
    -9.0 HV
    Hardness
    -10.0 HV
    Hydrolytic Stability
    0.2
    Insoluble in (SDS)
    Water
    Item Number
    Kauri-Butanol (KB) Value
    62.5
    Kinematic Viscosity
    4.3 mm²/s
    Kinematic Viscosity
    19.0 mm²/s
    Kinematic Viscosity
    2540.0 mm²/s
    Moisture Content
    5.0 %(W/W)
    Odor (SDS)
    Mild
    Pour Point
    -48.0 °C
    Pour Point
    -48.0 °C
    Pour Point (SDS)
    -45.0 °C
    Principal
    Refractive Index
    1.4521
    Relative Density (SDS)
    0.95
    Specific Gravity
    0.945
    Tensile Strength
    -3.7 kgf/cm²
    Tensile Strength
    -46.0 kgf/cm²
    Tensile Strength
    -27.2 kgf/cm²
    Vapor Pressure (SDS)
    max. 0.013 kPa
    Viscosity (SDS)
    4.4 cSt
    Viscosity (SDS)
    19.0 cSt
    Viscosity Index
    136.0
    Volatile Content
    4.6 %(W/W)
    Volatile Content
    4.6 %(W/W)
    Volatile Content
    4.6 %(W/W)
    Volume Expansion
    4.7 %
    Volume Expansion
    16.9 %
    Volume Expansion
    27.4 %
    Optical Properties
    ValueUnitsTest Method / Conditions
    Color Scale0.5 ASTMASTMASTM D1500
    Refractive Index1.4521-ASTM D1218 at 25°C
    Chemical Properties
    ValueUnitsTest Method / Conditions
    Acid Number0.02 mg KOH/gmg KOH/gASTM D974
    Aniline Pointmax. 20.0 °C°CASTM D611
    Biodegradability Content76.4 %%OECD 301B
    Hydrolytic Stability0.2-ASTM D2619 total acid number change
    Kauri-Butanol (KB) Value62.5-ASTM D1133
    Mechanical Properties
    ValueUnitsTest Method / Conditions
    Elongation-5.6 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Elongation-34.0 %%ASTM D471 Elastomer compatibility, nitrile
    Elongation-29.6 %%ASTM D471 Elastomer compatibility, polyacrylate
    Hardness-2.0 HVHVASTM D471 Elastomer compatibility, fluoroelastomer
    Hardness-9.0 HVHVASTM D471 Elastomer compatibility, nitrile
    Hardness-10.0 HVHVASTM D471 Elastomer compatibility, polyacrylate
    Tensile Strength-3.7 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, fluoroelastomer
    Tensile Strength-46.0 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, nitrile
    Tensile Strength-27.2 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, polyacrylate
    Physical Properties
    ValueUnitsTest Method / Conditions
    Fire Point291.0 °C°CASTM D92
    Fire Point291.0 °C°CCleveland Closed Cup
    Flash Point257.0 °C°CASTM D92
    Flash Point245.0 °C°CASTM D93
    Flash Point245.0 °C°CPensky-Martens Closed Cup (PMCC)
    Flash Point257.0 °C°CClosed Cup
    Kinematic Viscosity4.3 mm²/smm²/sASTM D445 At 100°C
    Kinematic Viscosity19.0 mm²/smm²/sASTM D445 At 40°C
    Kinematic Viscosity2540.0 mm²/smm²/sASTM D445 at -40°C
    Moisture Content5.0 %(W/W)%(W/W)ASTM D972 at 205°C, 6.5 hr
    Pour Point-48.0 °C°CASTM D5950
    Pour Point-48.0 °C°CASTM D97
    Specific Gravity0.945-ASTM D4052 at 15.6°C
    Viscosity Index136.0-ASTM D2270
    Volume Expansion4.7 %%ASTM D471 Elastomer compatibility, fluoroelastomer
    Volume Expansion16.9 %%ASTM D471 Elastomer compatibility, nitrile
    Volume Expansion27.4 %%ASTM D471 Elastomer compatibility, polyacrylate
    Material Composition
    ValueUnitsTest Method / Conditions
    Volatile Content4.6 %(W/W)%(W/W)Noack Volatility Test
    Volatile Content4.6 %(W/W)%(W/W)DIN 51581
    Volatile Content4.6 %(W/W)%(W/W)ASTM D5800
    SDS Physical and Chemical Properties
    ValueUnitsTest Method / Conditions
    Boiling Point (SDS)min. 316.0 °C°CInternal Method
    Density (SDS)940.0 kg/m³kg/m³at 20°C
    Flash Point (SDS)235.0 °C°CASTM D93
    Pour Point (SDS)-45.0 °C°CInternal Method
    Relative Density (SDS)0.95-Internal Method at 15°C
    Vapor Pressure (SDS)max. 0.013 kPakPaAt 20°C
    Viscosity (SDS)4.4 cStcStAt 100°C
    Viscosity (SDS)19.0 cStcStat 40°C