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Demystifying Sludge and Varnish
The approach of detecting and analyzing sludge and varnish problems in machinery is not the same as used oil analysis. In many instances this is because the evidence is not always in the oil. Read More
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Review of Degradation Mechanisms Leading to Sludge and Varnish in Modem Turbine Oil Formulations
A wide range of fluid degradation and contamination-related issues can affect turbine lube oil systems. One serious and growing concern is the presence of sludge and varnish. Read More
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The Effects of Temperature on Lubricants (Why oil is like an egg)
Hot oil has typically received the most press, even in this publication. After all, oil is not like fine wines that get better over time. In fact, even the very best wine will stress-out when exposed to too much heat. Read More
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Be Alert to Heat as Both a Contaminant and a Symptom
Excessive heat is a severe contaminant. It wreaks havoc on oil (chemically and physically) and retards lubricant performance by increasing wear, corrosion and friction. Friction and wear cause more heat, which sends the machine into a cycle of despair. Read More
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Grease Dry-out: Causes, Effects and Remedies
One of the main disadvantages of using grease over oil is the annoying tendency of grease to cake and dry out. We all know that oil has a natural tendency to drain out of the grease thickener over time. Read More