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Category Archives: Advanced Testing

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Injection Molding Machines and Varnish Tests

Injection Molding Machines and Varnish Tests
CLEVELAND Dec. 1, 2020 TestOil, the leading experts on oil analysis for injection molding machines (IMMs), offers a comprehensive analysis for detecting varnish and initiating mitigation before it causes unplanned downtime and ultimately destroys the machine.Capital investment for an IMM can exceed half a million dollars. Unplanned events, such as a machine shutdown resulting from…
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Used Oil Testing with RPVOT from TestOil

Used Oil Testing with RPVOT from TestOil
The Rotating Pressure Vessel Oxidation Test (RPVOT) is a time-tested method for determining the oxidation stability of an oil. It is the most widely used indicator of a fluid’s oxidative resistance. Since it measures the existing resistance to oil oxidation rather than the oxidation that has already occurred, it is a predictive test. RPVOT is…
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FTIR vs. RULER

FTIR vs. RULER
FTIR vs. RULER Let's start by explaining the FTIR index numbers and then we’ll get in to the correlation between tests. The indexing numbers actually refer to a unit of measure. The unit is absorbance/0.1mm. However, this unit of measure is not one that is intuitive to most people so the results are referenced as…
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Testing Lubricants for Compatibility

Testing Lubricants for Compatibility
Testing Lubricants for Compatibility TestOil offers lubricant compatibility analysis using ASTM D 7155 as the guideline for compatibility testing. If test results show signs of minor incompatibility you must evaluate the potential impact. Do the mixtures show a decreased ability to resist oxidation? Will this result in a shortened lubricant life and therefore increased cost…
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Identify Varnish Potential and Avoid Unexpected Downtime

Identify Varnish Potential and Avoid Unexpected Downtime
Identify Varnish Potential and Avoid Unexpected Downtime The lubricating oil in gas turbines and hydraulic systems is increasingly subject to the ravages of varnish.  The debilitating effects of varnish are well documented.  The complexities associated with detecting varnish potential render routine oil analysis ineffective in reporting varnish. However, there are a number of technologies, although…
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Compatibility of Turbine Lubricating Oils

Compatibility of Turbine Lubricating Oils
ASTM D 7155 - Evaluating Compatibility of Mixtures of Turbine Lubricating Oils is Used as the Guideline for Compatibility Testing The method calls for two Tiers of testing. For Tier I, the method calls for preparing mixtures of the fluids to be evaluated, heating the fluids and the mixtures in an oven to a specified…
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