A history of Group II base oils
A quarter of a century ago, Group I base oils were the base stocks of choice for most lubricants. Today, thanks to new refining technology, Group II base oils make up 40% of the world’s base oil production capacity. Learn about the role ExxonMobil played in the development of Group II base oils in Lubes’n’Greases magazine’s 25th anniversary issue.
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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 — delivered reliably and with consistent product quality — offer targeted performance capabilities to meet a broad range of base oil and lubricant blending needs.
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