DSC material characterization

If the nature and the layout of elements constituting materials make it possible to characterize them from a chemical and structural point of view, the thermal characterization of materials makes it possible to describe their behavior according to changes in temperature.

One of the techniques used to study thermal properties and their changes based on temperature is differential scanning calorimetry (DSC). This characterization technique allows for the measurement of the amount of heat absorbed or released by a sample over time when it is subjected to a fixed temperature in a controlled environment. Requiring the use of certified standards with known transition temperatures and enthalpies (ex. Indium and Zinc), the fields in which DSC can be used are very diverse : purity of a substance, determining glass transition, fusion or crystallization temperatures for different materials (ISO 11357), characterization of a polymer, determining the amount of energy required to melt a given material, stability testing of polymers under oxygen atmosphere by determining the oxidation induction time (OIT)

EN 728 standard specifies a method for measuring the oxidation induction time in oxygen at a specified temperature of polyolefin materials for or from pipes or fittings. It may be used for assessing the thermal stability of either raw materials or finished products.

More niche applications for DSC allow us to the compare the thermal effects of different additives on a material, to determine the minimal operational temperature for a manufacturing process, to measure the kinetics of a material being cooked (paint, varnish…) or to optimize a manufacturing procedure. With extensive experience in implementing DSC and in developing specific analytical techniques, the FILAB laboratory can assist you with your needs for inspections, expertise or thermal processing.

For more information, feel free to contact one of our experts via email at contact@filab.fr

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