MANUAL Published: 08 November 2019

Chapter 22 | Lubricating Greases


While comprising only a minor portion of the lubricant market in terms of tonnage, lubricating greases are a key segment in that they fill a number of critical roles by virtue of their unique properties. As non-Newtonian fluids, greases remain in place when equipment is idle and provide immediate lubrication on start-up when they revert to a liquid-like state under shear. This makes greases the lubricant of choice for a wide variety of automotive, industrial, aerospace, electronics, and marine applications. This chapter provides a summary of grease compositions, manufacture, and use suitable for both those new to greases as well as more experienced practitioners. Because of their non-Newtonian nature, many of the methods used to characterize liquid lubricants either cannot be used or require modification to use with greases. Chapter 22 provides the reader with a comprehensive list of the relevant methods used to evaluate and compare lubricating greases with references and a summary of each method. The limitations of each test is discussed along with its relevance as a predictive tool for field performance. Cross references to non-ASTM standards are provided.

Author Information

Shah, Rajesh
Koehler Instrument Co., Inc., Bohemia, NY, US
Tuszynski, William
The Unami Group, LLC, Quakertown, PA, US
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Developed by Committee: D02
Pages: 935–958
DOI: 10.1520/MNL3720160030
ISBN-EB: 978-0-8031-7090-2
ISBN-13: 978-0-8031-7089-6