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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.
Oxides/Rare Earth Compounds
Main products（Various rare earth products）
IoT / Electronics Mobility Energy Life / Environment Raw materials / Resources / Recycling
raw materials Parts / materials Recycle R & D / Open Innovation
We offer a wide variety of rare earth oxides and rare earth compounds, including high-purity Y2 O3 , which was first mass-produced and refined in Japan.
We propose the best products to meet the various requirements of our customers, including electronic materials, medical, and semiconductor applications.
Metal Products
Main products（Various rare earth products）
IoT / Electronics Mobility Energy Life / Environment Raw materials / Resources / Recycling
raw materials Parts / materials Recycle R & D / Open Innovation
Our metal products are manufactured under consistent quality control. Those metal products are used in a variety of industrial applications, including magnetic materials, magneto-optical recording materials, hydrogen storage materials and superconducting materials. We offer products in various shapes according to our customers’ needs and applications, such as blocks, chips, powders, foils and plates.
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.
Rare Earth Salts/Ceramics
Main products（Various rare earth products）
IoT / Electronics Mobility Energy Life / Environment Raw materials / Resources / Recycling
raw materials Parts / materials Recycle R & D / Open Innovation
We produce rare earth salts such as chlorides, nitrates, acetates, and in addition to that, compounds such as fluorides and oxyfluorides. The various rare earth salts are widely used for ceramics and electronic materials. We are also able to offer products such as yttrium oxyfluoride, which draws growing interests in the semiconductor field, as well as optical materials and environmental resistant products to meet the needs of our customers.
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®
Main products
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）
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）
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）
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）
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）
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）
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.