Exxonmobil Basestocks, United States

Product Description

CORE base stocks by ExxonMobil are designed to offer broad blending coverage with performance capabilities in applications ranging from engine oils to industrial lubricants.

AP/E CORE base stocks constitute a slate as defined within API/ATIEL Guidelines for formulation and qualification of automotive lubricants. With base oil interchange and viscosity grade read-across capabilities, ExxonMobil’s AP/E CORE base stock slate offers broad coverage, enabling supply chain flexibility and simplified qualification testing requirements. ExxonMobil follows rigorous processes to ensure reliable delivery of consistent quality base stocks so customers can be confident in their base stock supply. 


Sales Specifications

PropertyLimitsStandard Method (a)CORE 100CORE 150CORE 600CORE 2500
Appearance VisualBandCBandCBandCBandC
ASTM ColourMaxASTM D 15001.
CCS Viscosity -25ºC mPa•secMaxASTM D 52931650   
CCS Viscosity -15ºC mPa•secMaxASTM D5293 1250  
Flash Point,COC Deg CMinASTM D 92194210246294
Kinematic Viscosity@ 40ºC mm2/secMin-MaxASTM D 44518.5-21.029-32109-116 
Kinematic Viscosity@ 100ºC mm2/secMin-MaxASTM D 445   30.6-32.7
NOACK Volatility,wt%MaxASTM D 5800 Method B29.315.8  
Pour Point, Deg CMaxASTM D 97-18-12-6-6
Viscosity IndexMinASTM D 2270951009595

(a) In lieu of standard test method, alternate test methods may be used for the certification of a product property.
Note 1: Products are certified on release to meet the values specified. Actual values may deviate within the established reproducibility of the test method specified.
Note 2: For purpose of determining conformance with specification, observed or calculated values shall be rounded off to the nearest unit in the last significant digit used in expressing the limiting value in accordance to the ASTM E 29 method 


Health and Safety

Detailed health and safety information for this product is provided in the material safety data sheet (MSDS), available upon request through your local sales representative or from www.ExxonMobil.com.

ExxonMobil, the ExxonMobil logotype, and CORE are trademarks of Exxon Mobil Corporation or one of its subsidiaries.

Exxon Mobil Corporation
22777 Springwoods Village Parkway
Spring TX 77389


All products may not be available in all countries.  Every care has been taken in the preparation of this information.  Typical values may vary within modest ranges and specifications may be subject to change. To the extent permitted by applicable law, all warranties and/or representations, express or implied, as to the accuracy of the information are disclaimed, and no liability is accepted for the accuracy or completeness of the same.

ExxonMobil is comprised of numerous affiliates and subsidiaries, many with names which include Esso, Mobil, Exxon, or ExxonMobil.  For convenience and simplicity, the term ExxonMobil may be used to represent all of these entities, and the products and services provided by those entities.  Nothing in this brochure is intended to override or supersede the corporate separateness of local entities.  Responsibility for local action and accountability remains with local ExxonMobil-affiliated entities.