Asahi Kasei’s Microza hollow fiber membrane receives EcoVadis’ Gold rating
Sustainability

Asahi Kasei’s Microza hollow fiber membrane receives EcoVadis’ Gold rating

Microza is used broadly in two areas: water treatment processes and industrial processes

  • By ICN Bureau | July 17, 2025

Japanese technology Asahi Kasei has announced that its Microza & Water Processing Division, which provides Microza hollow-fiber membranes for filtration and separation, received a Gold rating in the EcoVadis sustainability assessment conducted in June 2025.

EcoVadis is a sustainability assessment company based in France that performs the review annually. This rating places the Asahi Kasei division among the top 5% of all entities assessed.

Microza is used broadly in two areas: water treatment processes, such as water purification and wastewater/industrial water reuse; and industrial processes, including filtration and separation in biopharmaceuticals, pharmaceutical water, food, and industrial chemicals.

By providing membrane technology for these applications, Asahi Kasei contributes to improved productivity, reduced environmental impact, and effective utilization of limited water resources.

The EcoVadis assessment evaluates corporate sustainability initiatives across four categories: Environment, Labor & Human Rights, Ethics, and Sustainable Procurement.

“Receiving this Gold rating is a significant milestone for our business and reinforces our commitment to supporting society through membrane and separation technologies,” said Satoshi Kobayashi, Senior General Manager of the Microza & Water Processing Division.

“By strengthening technological innovation and global collaboration, we will continue to provide solutions that conserve safe and clean water resources while enhancing productivity in separation and concentration processes across various industries, creating new value for a more sustainable society.”

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