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

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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

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 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
Shelf Life730.0 dd
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 Viscosity8.3 mm²/smm²/sASTM D445 at 100°C
Kinematic Viscosity84.0 mm²/smm²/sASTM D445 at 40°C
Kinematic Viscosity74050.0 mm²/smm²/sASTM D445 at -25°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