Fibers & Textiles

Our fibers operation supplies worldwide markets with original technologies and unique fiber materials developed through 90 years of experience in manufacturing of original yarn, spun fiber, and fabric. Our 4 main businesses are Bemberg™ cupro, the unique fiber born from cotton and the core of our heritage; Roica™ elastic polyurethane filament; nonwovens including spunbond for growing hygienic applications; and Leona™ nylon 66 filament for automotive applications. We continue to develop new technologies and products that will open the future.

Operating company Asahi Kasei Corp.
Cupro Fiber


Bemberg™ is an eco-friendly fiber made from cotton linter-the short, downy fiber that enfolds and protects the cotton seed-featuring a smooth feel, attractive luster, and moisture absorption/release.
Made by Asahi Kasei Fibers since 1931, Bemberg™ is used in applications ranging from linings to outerwear, innerwear, sportswear, beddings, and ethnic garments.