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Differential Thermal Analysis

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Example differential thermal analysis plot indicating glass transition temperature (Tg), bulk  crystallisation (Tb) and liquidus temperature (Tl)Differential Thermal Analysis (DTA) detects the release or absorption of heat, which is associated with chemical and physical changes in materials as they are heated or cooled and this information is essential for understanding the thermal properties of materials.

Analysis of decomposition of glass batch materials, crystalline phase changes, chemical reactions and glass transition temperature are some of the properties measured with DTA. The temperature range of the instrument is from ambient to 1000º C. 

A typical DTA trace identifies the glass transition temperature (Tg) , the bulk crystallisation (Tb) , the liquidus temperature (Tl) , and minor crystalline phases and other features occurring as other peaks or troughs. An example trace is shown above.

This method can give more detailed information on some of these properties than other techniques such as dilatometry.

Please contact us, or make an enquiry using the form above, if you have any bespoke requirements, require further information, or would like a quote for analysis.

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