Electrolytic Iron (High-purity Iron) Business

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MAIRON and ATOMIRON electrolytic iron "High-purity Iron" : Building the future with unique technologies—
we are making a major contribution to high-tech fields and have won a leading share of the world market.

High-purity iron that has been highly purified by electrolysis is called "electrolytic iron".

Valuable characteristics can be attained by raising the purity of iron. Products made using high-purity iron offer a wide range of advantages, including resistance to impacts, heat and corrosion, as well as magnetic characteristics.

TOHO ZINC is the world's leading manufacturer of electrolytic iron in both quality and market share. High-grade electrolytic iron produced by our unique manufacturing methods is employed in the most advanced fields of science and technology. We continue to enhance our manufacturing quality and have succeeded in developing the top grade of 99.999% pure ("five-nine") iron.

TOHO ZINC's electrolytic iron is used as a research material and a material for special alloy production by a wide range of organizations in Japan and overseas, including major steel manufacturers, specialty steel manufacturers and university research institutes. The main applications of electrolytic iron products are special alloys for safety-critical components of aircraft, motor vehicles and other machinery, as well as electronic components, and high-performance magnets.

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Sep. 08, 2023	We are going to exhibit at the 10th Highly-functional METAL EXPO held on 10/4-10/6, 2023
Nov. 28, 2022	We are going to exhibit at the 9th Highly-functional METAL EXPO TOKYO held on 12/7-12/9, 2022
Nov. 17, 2022	A movie titled "Let's make a Japanese craft knife by using electrolytic iron and Tamahagane !" was posted in the page of "Let's try"
Nov. 08, 2021	We are going to exhibit at the 8th Highly-functional METAL EXPO TOKYO held on 12/8-12/10, 2021
Mar. 30, 2021	We added the page "High purity Iron foil (MAIRON SHP·UHP)"
Nov. 12, 2020	We are going to exhibit at the 7th Highly-functional METAL EXPO TOKYO held on 12/2-12/4, 2020
Jul. 21, 2020	We added the page "Let's try"
Jul. 21, 2020	We added the page "Glossary Related Q&A"
Jul. 21, 2020	We added the page "Characteristics and Applications"
Nov. 11, 2019	We are going to exhibit at the 6th Highly-functional METAL EXPO TOKYO