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Calcium Fluoride (CaF2)


Calcium fluoride (CaF2), an optical material characterized by its low light dispersion, has a history of use in imaging applications that demand high quality. High definition television and other high resolution products … Read more

Alumina, Silicon Carbide (SiC) refractories


Mitsui Kinzoku manufactures high-quality high-performance and energy-saving refractory materials made from select high-grade materials using proprietary technology and facilities.



We manufacture a range of conductive powders with outstanding optical properties, including transparency and concealment.

Cerium Oxide Abrasives


This abrasive is based on cerium oxide, and is available in various particle sizes for rough polishing to finishing work. It is used in leading edge industries to polish glass substrates for hard disks and LCD panels.

Tantalum and Niobium Oxides and Carbides


Separation and purification techniques using solvent extraction equipment are used to extract tantalum and niobium, to produce high purity oxide products.
Tantalum and niobium carbide are produced by carbonizing oxides.

Sputtering Targets


We manufacture and sell a range of sputtering targets, in compositions such as indium tin oxide (ITO) for depositing transparent conductor films on LCD panels, organic EL panels and touch panels・・・more

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