THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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THE PETROLEUM QUALITY INSTITUTE OF AMERICA​

The independent resource for information and insights on the quality and integrity of lubricants in the marketplace

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Day: July 3, 2018

Shell Claims a Sample of Delvac 1300 Super 15W-40 CK-4 Doesn’t Meet Spec

by Thomas F. Glenn The Petroleum Quality Institute of America received a number of phone calls and emails recently with questions, comments, and opinions about the claim Shell is publicly making that through its testing, Shell “discovered that a sample of Mobil Delvac 1300 Super 15W-40 not only failed the requirements of API CK-4, but… Read More ›