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Thermal conductivity is a measure of a material’s ability to transfer heat and thermal diffusivity measures the rate of heat transfer. Together with specific heat capacity, these thermophysical property measurements offer comprehensive informationon a material’s ability to store and transfer heat. The precise and accurate measurement of heat transfer properties is critical for materials that are required to insulate, conduct, or simply withstand temperature changes.
The thermophysical properties of thermal conductivity, diffusivity, and specific heat capacity can be determined with heat flow meters and laser flash (or light flash) analyzers. Thermal conductivity of insulation and construction materials that include polymers, composites, ceramics and refractories are typically measured on a heat flow meter. . Laser and Light flash analyzers can be used to determine all three properties of a diverse array of materials over a wide range of test conditions with unparalleled accuracy. The measurement of heat energy storage and transfer empower all stages of material selection and product design with comprehensive heat transfer modeling and critical information about material composition, purity, structure, and performance characteristics.
TA Instruments provides the most extensive and comprehensive range of instruments for the precise and accurate measurement of heat transfer properties of a wide range of material types and temperatures. TA Heat Flow Meters, including the DTC 300 and FOX Series, offer a direct measurement of thermal conductivity for low to medium conductivity materials designed in accordance with numerous ASTM, ISO and EN standard methods. The Discovery Flash Diffusivity instruments are designed to measure thermal diffusivity and specific heat capacity in moderate to high conductivity materials in the -150°C to 2800°C temperature range. TA Instruments’ diverse line of heat flow meters and laser flash analyzers are designed to exceed your expectations for testing any material at any temperature.
