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Grease

Lubricants, Grease, Tip of the Month, calcium sulfonate grease

Why Use Calcium Sulfonate Greases - Doug's Tip of the Month

Calcium Sulphonate Complex (CaS) greases do not function like other greases. In most greases the thickener releases the base oil to provide elastohydrodynamic lubrication in a bearing load zone. A Calcium Sulphonate (CaS) thickener is more like a gel. The base oil and gelled CaS thickener form a permanent emulsion. A well formulated CaS grease maintains the emulsified state, and the entire combination of thickener and base oil ‎pass through the bearing load zone. If the emulsion should break and the base oil bleed from the thickener, the CaS thickener left behind would still lubricate.

Doug Vrooman
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Lubricants, Grease

5 Steps to Choosing the Right Grease

1- Make sure the number matches! Do you need a #1, #2, etc? The numbers indicate the texture of the grease. #2 is the most common grease. As you go up from #2 the texture gets more solid and paste-like, as you go down, the texture of the grease gets wetter and more slippery. (How the NLGI classifies this stuff gets a little confusing -  the wikipedia article here gives a pretty solid quick overview)

John Presti
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