Fuel and Lubricant Testing


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ASTM D4591 – Determining Temperatures and Heats of Transitions of Fluoropolymers by Differential Scanning Calorimetry (DSC)

We perform differential scanning calorimetry (DSC) testing by ASTM D4591, which outlines how to analyze different kinds of fluoropolymers and copolymers. Differential scanning calorimetry is a technique that measures the difference in energy inputs into a test substance and a reference material as a function of temperature, while the substance and reference material are subjected to a controlled increase or decrease in temperature.

For additional information on this test method or to purchase a copy of the method, please click HERE to open a new window and visit the ASTM website.