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1．CaF2 (visible and infrared grades), 2．CaF2(ArF grade)
Main products（Optical Crystals, Scintillators and Radiation Detectors）
IoT / Electronics
Parts / materials
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 represent a growing market for both visible and infrared grades of CaF2. The ArF grade, with its high transparency in the vacuum ultraviolet (VUV) region, is used as the primary optical component for excimer lasers and laser-based lithography equipment.
Lead
Main products（Lead Unit）
Mobility Energy Raw materials / Resources / Recycling
raw materials
Lead is primarily used as electrodes for lead storage batteries. We manufacture JIS-compliant lead with a purity of 99.99% or higher.
Chemical Products Business
Main products（Chemical Products）
We manufacture and sell zinc oxide as well as lead oxide and zinc sulfate, which we are the only company to manufacture in Japan. Zinc oxide is used as a vulcanizing accelerator to strengthen rubber products. Lead oxide meanwhile is used as a vinyl chloride stabilizer, in paints and in electronic materials such as ceramic condensers. Zinc sulfate is used as a raw material in fabrics, paper, animal feed and health food products.
Powder metallurgy products
Other Businesses
IoT / Electronics Mobility Parts / Building materials / Structural materials
Parts / materials
These products are made from steel-based materials and find wide applications in various areas. We can provide parts of excellent quality, in high volume, and at low cost, particularly for automotive applications such as engine, suspension, and power steering parts.
Nenisanso (a designated soil improvement material by the Soil Fertility improvement Act)
Main products（Perlite Business）
Life / Environment
raw materials
Nenisanso is a soil improvement material that capitalizes on the characteristics of Perlite, derived from pearlstone. The name “Neninsanso” means to “give oxygen to the roots” in Japanese. This Perlite-based soil improvement material produces ideal soil by adjusting the balance of moisture and oxygen.
Mitsui Perlite
Main products（Perlite Business）
Energy Life / Environment Parts / Building materials / Structural materials
raw materials Parts / materials
Mitsui Perlite is formed by crushing pearlstone, a natural volcanic glass, or pitchstone. This is then rapidly heated and allowed to expand, resulting in an airtight amorphous structure that is very light and has a white sand-like appearance.
ROKAHELP® (Perlite-based filter aid)
Main products（Perlite Business）
Life / Environment Raw materials / Resources / Recycling
raw materials materials
ROKAHELPR is a filter aid that is widely used in various fields including the food, pharmaceutical, and chemical industries.
IT Systems
Main products（IT Systems）
IoT / Electronics
Equipment / Others
YOURSOFT Inc. drives the IT efforts within the Mitsui Kinzoku Group, and also uses its experience and know-how to serve organizations outside the group, in all industries and sectors, in Japan and overseas.
Catalysts
Main products
IoT / Electronics Mobility Life / Environment
raw materials
We manufacture and develop catalysts primarily for automobiles (for gasoline and diesel vehicles, and motorcycles) to meet the regulations in countries around the world. We have also been a long-time supplier of catalysts for deodorizing. Meanwhile, we continue to develop advanced catalysts that will meet future regulatory trends.
R&D Center
R&D Center
IoT / Electronics Mobility Energy Life / Environment
R & D / Open Innovation
Materials are the foundation of technologies. Many state-of-the-art materials are used in products that support our comfortable living although they go unnoticed in daily life. We conduct research and development to contribute to social development through creating materials that have new characteristics.
M-Lab
M-Lab
IoT / Electronics Mobility Energy Life / Environment
R & D / Open Innovation
To whom face challenges
Materials Analysis & Exploration Center
Materials Analysis & Exploration Center
Analysis / Inspection / Measurement
Analysis / evaluation
There have been significant advances in the development of materials in recent years, on the back of evaluation technologies capable of measuring to the nano order microscopic area with an extremely high degree of accuracy. Without advanced evaluation technologies, it simply wouldn’t be possible to produce cutting-edge materials.
In its role as a corporate laboratory specializing in analysis and evaluation technologies, our Materials Analysis & Exploration Center provides support for manufacturing and product development on a companywide scale.
Lithium Mangansese Oxide (LMO)
Main products（Battery Materials）
IoT / Electronics Mobility Energy
raw materials
We manufacture and sell Lithium Manganese Oxide (LMO) and Nickel-Lithium (NCM) for high-capacity lithium-ion batteries primarily used for environmentally friendly Electric Vehicles (EV) and Plug-in Hybrid Electric Vehicles (PHEV).
Hydrogen storage (absorbing) alloy (MH alloy)
Main products（Battery Materials）
IoT / Electronics Mobility Energy
raw materials
We manufacture and sell hydrogen storage alloy for nickel hydride batteries using high purity materials and advanced process control to satisfy the high quality requirements of automotive use.
Powder metallurgy
Main products（Engineered Powders）
IoT / Electronics Mobility Life / Environment Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials Parts / materials
These powders are manufactured by leveraging the atomizing process.