Esterex™ A51

Esterex™ A51 is a API category Group V fluids. Esterex™ A51 has excellent low-temperature properties, high viscosity indices, good lubricating properties, and low volatilities. Esterex™ A51 can be used as sole basestocks or blendstocks with other synthetic fluids in many automotive and industrial lubricant applications. Esterex™ A51 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

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Enhanced TDS

Identification & Functionality

Blend
No
Chemical Family
Chemical Name
Country of Origin
Fluids & Lubricants Functions
Function
Base Stocks & Oils
Product Code
MITM04534
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)
Yellow
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 Index1.4559-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 Content58.5 %%OECD 301F
Hydrolytic Stability0.16-ASTM D2619 total acid number change
Kauri-Butanol (KB) Value29.0-ASTM D1133
Shelf Life & Stability
ValueUnitsTest Method / Conditions
Shelf Life730.0 dd
Mechanical Properties
ValueUnitsTest Method / Conditions
Elongation-9.1 %%ASTM D471 Elastomer compatibility, fluoroelastomer
Elongation-20.9 %%ASTM D471 Elastomer compatibility, nitrile
Elongation-12.0 %%ASTM D471 Elastomer compatibility, polyacrylate
Hardness-2.0 HVHVASTM D471 Elastomer compatibility, fluoroelastomer
Hardness-8.0 HVHVASTM D471 Elastomer compatibility, nitrile
Hardness-8.0 HVHVASTM D471 Elastomer compatibility, polyacrylate
Tensile Strength-3.1 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, fluoroelastomer
Tensile Strength-32.0 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, nitrile
Tensile Strength-19.9 kgf/cm²kgf/cm²ASTM D471 Elastomer compatibility, polyacrylate
Physical Properties
ValueUnitsTest Method / Conditions
Fire Point280.0 °C°CASTM D92
Fire Point280.0 °C°CCleveland Closed Cup
Flash Point247.0 °C°CASTM D92
Flash Point207.0 °C°CASTM D93
Flash Point207.0 °C°CPensky-Martens Closed Cup (PMCC)
Flash Point247.0 °C°CClosed Cup
Kinematic Viscosity5.4 mm²/smm²/sASTM D445 at 100°C
Kinematic Viscosity27.0 mm²/smm²/sASTM D445 at 40°C
Kinematic Viscosity16970.0 mm²/smm²/sASTM D445 at -40°C
Moisture Content10.1 %(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 Gravity0.915-ASTM D4052 at 15.6°C
Viscosity Index136.0-ASTM D2270
Volume Expansion3.4 %%ASTM D471 Elastomer compatibility, fluoroelastomer
Volume Expansion12.0 %%ASTM D471 Elastomer compatibility, nitrile
Volume Expansion19.8 %%ASTM D471 Elastomer compatibility, polyacrylate
Material Composition
ValueUnitsTest Method / Conditions
Volatile Content7.4 %(W/W)%(W/W)Noack Volatility Test
Volatile Content7.4 %(W/W)%(W/W)DIN 51581
Volatile Content7.4 %(W/W)%(W/W)ASTM D5800
SDS Physical and Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point (SDS)min. 315.56 °C°C
Flash Point (SDS)220.0 °C°CASTM D93
Pour Point (SDS)-53.89 °C°CInternal Method
Relative Density (SDS)0.91-
Relative Vapor Density (SDS)min. 2.0-air =1
Viscosity (SDS)5.2 cStcStAt 100°C