LincolnShieldArc
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Oil classifications
• Group I and II – are conventional mineral oils derived from crude oil.
• Group III – is a highly refined conventional mineral oil made through a process called hydrocracking. This group of oil is allowed to be called a synthetic oil in North America.
• Group IV – are true synthetic oils, known as polyalphaolefins (PAOs).
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• Group V – are synthetic base stocks other than PAO’s, which include esters and other compounds.
• Group I and II – are conventional mineral oils derived from crude oil.
• Group III – is a highly refined conventional mineral oil made through a process called hydrocracking. This group of oil is allowed to be called a synthetic oil in North America.
• Group IV – are true synthetic oils, known as polyalphaolefins (PAOs).
.
• Group V – are synthetic base stocks other than PAO’s, which include esters and other compounds.