A rich lineup of 2µm to 120µm. We will propose the optimal spherical alumina according to your application.
(This is a product handled by Japan Freeman Co., Ltd. For inquiries, please call 045-473-3580.) We offer general-grade products, high-purity spherical alumina with low levels of Cl, Na+, and metal impurities, as well as specially processed high thermal conductivity spherical alumina, among others. We are equipped to handle custom particle sizes and also have a wide range of standard products available, so please feel free to consult us even if your specifications and quantities are small.
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Examples of standard particle sizes for spherical alumina of each grade General grade D50 = 2 / 5 / 10 / 30 / 45 / 70 / 90 High purity grade D50 = 2.5 / 6.5 / 10.5 / 30 / 48 / 77.5 / 95.5 / 120 We also offer particle sizes other than those listed above, so please feel free to contact us.
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Applications/Examples of results
High thermal conductivity fillers for various heat dissipation materials - Heat dissipation components for lithium-ion batteries for EVs and HVs - Heat dissipation sheets for semiconductors - High thermal conductivity grease - Semiconductor encapsulation material fillers - Fillers for heat-dissipating plastics (thermoplastic resins) - Sintering powders - Abrasives and semiconductor polishing materials - Materials for thermal spraying
Company information
Life Sciences Division: We provide total solutions tailored to our customers' needs through innovative materials and scientific instruments that contribute to the development of a wide range of industries, including healthcare related to medical care and pharmaceuticals, personal care, food, chemicals, and the environment, in order to improve human health, quality of life (QOL), and realize an environmentally friendly society. Industrial Materials Division: We focus our sales activities on high-performance components for automotive seats. Our main products include genuine leather, lumbar supports, seat adjuster motors, seat heaters, air conditioning systems and ECUs, seat belt reminders, and occupant detection systems, among others. In recent years, we have also been involved with new products such as lithium-sulfur (Li-S) batteries from OXIS Energy, benchmark data utilizing full car CAD models from Caresoft Global, vital sensing sensors from Kalea Corporation, anti-spatter agents and large water-cooled fans from Funabori, and ultra-fine bubble generation units from Shibata.