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

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Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Country of Origin
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

Principal Information

Group Principal Number
S000101
Principal

Other

Appearance
Bright and clear
Color (SDS)
Colorless
Insoluble in (SDS)
Water
Item Number
Odor (SDS)
Mild
USA/DOT UN Number
Not Applicable
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
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life730.0 dd
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