Basic Grid

Storage of Lubricants and Greases

The storage of lubricants and greases is often overlooked by maintenance practitioners. Lubes and greases are filled in either Intermediate …

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Lubricants Quality Check Part 4: Ball Scar Test

A variation of the 4 Ball Weld Load Test, the 4 Ball Scar Test, aims to determine the wear reduction …

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Lubricants Quality Check Part 3: 4 Ball Weld Test

For applications such as low-speed heavily-loaded bearings and gear-boxes, or heavy-duty machining on tough metals, a 4 Ball Weld Load …

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Lubricants Quality Check Part 2: Rust Protection Test

Various rust protection tests are performed on ferrous or steel materials, to provide guidance on a lubricant’s capability to retard …

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Base Oils: Group I vs Group II

Group I base oils are crude or petroleum fractions that are solvent-refined.  It undergoes physical and/or mechanical processes by which …

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Solid Contamination Levels in Lubricating Oils

Solid contamination levels in oils should be kept at a minimum as its presence is a big contributor to component …

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