High thermal conductivity and low hardness thermal conductive MgO filler. For weight reduction, cost reduction, and equipment wear prevention.
As the electrification of automobiles and the high performance of electronic devices progress, thermal management to prevent defects in electronic components has become increasingly important, leading to a growing demand for thermal conductive fillers (materials that enhance heat dissipation and facilitate heat transfer in resins). Traditionally, MgO has been avoided due to its high hygroscopicity, but our company has improved its moisture absorption through high-temperature sintering (over 1800°C) and unique reaction conditions. By ensuring consistent production from raw materials, we deliver high-insulation products with excellent thermal conductivity at low and stable costs. [Application Examples] Thermal interface applications (thermal sheets, thermal grease, adhesives), printed circuit board applications, injection molding applications (thermoplastic resins), sealing material applications (semiconductors, solar cells, LEDs).
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Ube Materials Corporation is a manufacturer of specialty inorganic materials based in Ube City, Yamaguchi Prefecture. Using limestone, which is abundantly produced in Mine City, as raw material, the company produces calcium-related products such as quicklime and hydrated lime, as well as extracting magnesium from seawater using quicklime as a raw material to manufacture products like magnesium hydroxide and magnesia clinker (refractory material). Additionally, as a unique business, the company has developed a healthcare division that directly serves consumers by selling lime as a dehumidifying agent, and now offers products such as toothpaste, bath cosmetics, and other cosmetics through co-ops, mass retailers, mail order, and online sales.



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