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Tantalumu and Niobium Oxides and Carbides
Main products（Rare Metals）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Analysis / Inspection / Measurement
raw materials
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.
Ultra-fine powders for electronic materials
Main products（Engineered Powders）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling
raw materials
These copper and silver powders were developed using our exclusive wet reaction process and atomizing process.
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.
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.
Zinc
Main products（Zinc Unit）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Zinc is primarily used as a plating material to create anti-corrosive coating on steel. We offer custom products, such as high grade zinc by LME standards, and distilled zinc and mixed zinc pursuant to JIS standards.
Zinc base alloys
Main products（Zinc Unit）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Mitsui KinzokuWe offers type 1 and type 2 alloys under the JIS standard. We also manufacture proprietary alloys such as ZAS (a type 3 alloy) and ZAPREC.
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.
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.
Copper
Main products（Copper & Precious Metals, etc.）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling Parts / Building materials / Structural materials
raw materials
Copper, characterized by its superior electrical conductivity and workability, has found widespread application in wires, various electronic components, and processed
Gold and Silver
Main products（Copper & Precious Metals, etc.）
IoT / Electronics Mobility Energy Raw materials / Resources / Recycling
raw materials
The rarity of gold drives its use in jewelry and as an investment instrument, while its workability and electrical conductivity drives its use in electronic components. Traditionally, the demand for silver was for use in photosensitive material, but now, it is often used for solar batteries and other electronic components.
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.
Mineral Resources(Zinc concentrate, Lead–Silver concentrate, Copper concentrate)
Main products（Mineral Resources）
Raw materials / Resources / Recycling
raw materials
The mining technologies that Mitsui Kinzoku developed at the Kamioka Mine (Gifu prefecture, Japan) now are adapted to our exploration, mining and mineral processing works at Huanzala Mine and Pallca Mine in Peru, South America. The ores exploited from these mines are processed on site by mineral processing plant to mainly produce Zinc concentrate, which will be delivered to our smelting plant in Japan to be treated to produce Zinc bullion.
Mineral Resources Development and Environmental Protection Engineering Services
Mineral Resources Development and Environmental Protection Engineering Services
Life / Environment Raw materials / Resources / Recycling
Resource Development Environmental Conservation
Mineral Resources Development Engineering Services. Environmental Protection Related Engineering Services.