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31Count～45Count（Total50Count）
Copper foil with carrier film
Main products
IoT / Electronics Mobility
raw materials
Our MicroThin® copper foil is an extremely thin copper foil of 2 to 5-μm-thickness with carrier film. In Modified Semi Additive Process (MSAP), this foil can be used as base copper to produce ultra-high-precision circuit boards. It is the global standard for ultra-thin copper foils.
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.
Precision grinding wheel Business
Other Businesses
IoT / Electronics Mobility Parts / Building materials / Structural materials
Parts / materials
Our standard grinding wheels are used for precision grinding of metal parts and other materials in a wide range of industries, including the automotive and bearing industries.
Materials Analysis & Exploration Center
Engineered Powders Division
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.
Sulfuric acid
Main products（Copper & Precious Metals, etc.）
Life / Environment Raw materials / Resources / Recycling
raw materials
Sulfuric acid is used in a variety of applications, notably as the main ingredient in fertilizers, synthetic fibers, and titanium oxide, as well as an additive for deoxidizing and wastewater neutralization.
Geothermal Steam
Main products（Mineral Resources）
Energy
raw materials
Okuaizu Geothermal Co., Ltd., our wholly-owned subsidiary, and Tohoku Electric Power Co., Inc., jointly operate Yanaizu-Nishiyama Geothermal Power Plant.
Tin
Main products（Lead Unit）
IoT / Electronics Raw materials / Resources / Recycling
raw materials
The tin manufactured at Mitsui Kinzoku is a byproduct of lead smelting. It is primarily used to make alloys and solder.
Bismuth
Main products（Lead Unit）
IoT / Electronics Energy Life / Environment Raw materials / Resources / Recycling
raw materials
Like tin, bismuth is a byproduct of lead smelting. It is used in a wide range of areas, from alloys to pharmaceuticals.
Antimony trioxide
Main products（Lead Unit）
Raw materials / Resources / Recycling
raw materials
Antimony trioxide is a white-colored powder that is, like tin and bismuth, a byproduct of lead smelting.
METALOFILTER®, METALOCLEAN®
Ceramics Division
Mobility Raw materials / Resources / Recycling Parts / Building materials / Structural materials
Parts / materials materials
In the aluminum industry, customers demand products that are lighter, thinner, stronger, and easier to process. To meet this demand, Mitsui Kinzoku offers Metalofilter for removing inclusions in molten aluminum, and Metaloclean TS to remove hydrogen gas.
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.
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.
Electro-deposited copper foil for printed wiring boards (PWBs)
Main products
IoT / Electronics Mobility Energy
raw materials
This product is available in a variety of foil and surface treatment options, such as a low profile copper foil, a copper foil with super fine nodules, for use in various applications.
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.
Resin-coated copper foil
Main products
IoT / Electronics Mobility
raw materials
This is a composite material that has a layer of semi-hardened resin applied on a copper foil. Unlike other materials that contain glass cloth, this product is excellent for designing slim substrates and creating vias in circuits. It is used as the outer layer for motherboards in several hundred million mobile phones every year.