Base Stock Products
Our Base Stocks
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Group I
Through industry-leading base stock technologies and innovations, our quality Group I products, including Americas CORE™ and AP/E CORE™, are designed to help you consistently meet base oil formulation requirements.
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Group II/II+ EHC™
Our high-quality EHC™ base stocks are delivered reliably with consistent product quality, offering targeted performance capabilities to meet a broad range of base oil and lubricant blending needs.
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Group III ALTUM™
Elevate your lubricant performance with our ALTUM™ Group III base stocks that are designed to help you meet your formulation requirements reliably.
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Group IV SpectraSyn™ polyalphaolefins (PAOs)
SpectraSyn™ polyalphaolefins (PAOs) are advanced synthetic base stocks that help enable innovative lubricant formulations, delivering reliable performance across diverse operating environments, supported by technical expertise and a global supply network.
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Group V Esterex™ esters
Esterex™ esters deliver excellent lubrication performance, long service life, and versatility across automotive, industrial, aviation, turbine, compressor, and textile applications, with biodegradable benefits and PAO compatibility.
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Group V Synesstic ™ alkylated naphthalene (AN)
Synesstic ™ alkylated naphthalene (AN) base stocks are engineered for demanding operating conditions, combining the oxidative stability of PAOs with the solubility benefits of esters helping improve lubricant durability and performance.
"With ExxonMobil as our trusted base stocks supplier, we know we are receiving some of the highest-quality products in the industry. From Group I to Group II base stocks, ExxonMobil consistently delivers supply that meets technical approvals and OEM requirements.*"
-Lubricant manufacturer based in Asia-Pacific
*This testimonial is based on the experience of a single customer. Actual results can vary depending upon the type of equipment used and its maintenance, operating conditions and environment, and any prior base stock used.
Find Out More
Want to learn more? Explore our various product data sheets or reach out to connect with an expert.