Chemicals & Fibers

Our chemicals business includes petrochemicals and performance polymers for global markets. Specialty products include industrial products such as Microza™ hollow-fiber membranes for water treatment, as well as consumer products such as Saran Wrap™ and Ziploc™ which support day-to-day living. These and many other high-value added products created with innovative technology are meeting a diverse range of needs around the world.

Our fibers business offers distinctive fiber products for global markets, including Bemberg™ cupro cellulose fiber made from cotton linter, Roica™ elastic polyurethane filament used from apparel to industrial applications, and nonwovens such as Eltas™ spunbonded fabric, Bemliese™ nonwoven cellulose fabric, and Lamous™ artificial suede.

Throughout this business sector, next-generation products which will bring future possibilities to life are developed through a combination of high technology and bold creativity.



Acrylonitrile (AN)
A chemical intermediate used to make acrylic fiber and ABS resin

Petrochemicals operations centered on a naphtha cracker form the cornerstone of our chemicals business. The roots of this business trace to 1923, with ammonia synthesis by the Casale process. Products that support a diverse range of industries now include caustic soda and chlorine as well as acrylonitrile (AN), styrene, methyl methacrylate, adipic acid, polyethylene, and polystyrene.

Performance polymers

S-SBR for fuel-efficient tires
Leading position in Asian markets

This business includes engineering polymers such as polyamide 66 (PA66), polyacetal (POM), modified polyphenylene ether (m-PPE), acrylonitrile-butadiene-styrene (ABS), polystyrene (PS), molding machine pursing compound, solution-polymerized styrene-butadiene rubber (S-SBR) for fuel efficient tires, and thermoplastic elastomers used as resin-modifying agent, for adhesives, and for medical fluid bags.

Specialty products

Many high-value added products and systems are included in this business, such as a wide range of coating materials to meet diverse market needs, functional additives for pharmaceuticals, foods, and personal care products, membrane filtration systems for drinking water, ultrapure water, and wastewater treatment, ion-exchange membranes and systems used for chlor-alkali production worldwide, and explosives and explosion-bonded metal clad. Packaging products range from home-use cling wrap to plastic films and foams for industrial use. We also offer a wide range of household hygienic products such as dishwashing liquid, air freshener, and cleaners, to meet various consumer needs.

  • Microza™ UF and MF
    Hollow-fiber membrane filtration systems for separation, purification, and clarification of liquids

  • Ion-exchange membranes and electrolysis systems
    For the production of caustic soda and chlorine by electrolysis of brine

  • Saran Wrap™
    Japan’s best-selling cling wrap for home use

Core operating company

With the basic ideal of Creating the Future with Chemistry, Asahi Kasei Chemicals operates a diverse range of businesses based on innovative technologies, with many distinctive products.


Click the following link for a list of individual products.

List of products in Chemicals



Regenerated cellulose fiber from cotton linter

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.


Roica™ spandex
Elastic filament for a variety of applications

With reliable technology and high product quality, Roica™ elastic polyurethane filament (spandex/elastane) provides the advanced functionality to meet a wide variety of customer needs. It is used for women’s stockings, innerwear, swimwear and other sportswear, diapers, and medical supporters. The global Roica™ supply network includes manufacturing plants in Japan, Taiwan, China, Thailand, and Germany.


A wide range of nonwoven fabrics for various applications

Our wide range of highly functional nonwoven products are made with advanced and innovative production technology. Eltas™ spunbond, a nonwoven fabric formed by thermal compression without the use of any binders, is the world’s only spunbond available in three different materials – nylon, polyester, and polypropylene. The ecological Bemliese™ is a binder-free, 100% cellulose cupro nonwoven made from cotton linter. Lamous™ artificial suede is used for upholstery and automotive interiors.

Leona™ filament

Leona™ nylon 66 filament
Providing exceptional strength and heat resistance

Leona™ nylon 66 filament featuring exceptional strength, heat resistance, and durability, is used for tire cord, air bags, and other applications in every field of industry. It is produced in an efficient integrated manufacturing process, and enables weight saving in many products.

Core operating company

The product lineup features unique and distinctive fibers and textiles based on advanced technology, for markets around the world. New product development is focused on innovative performance functions and high added value.


Click the following link for a list of individual products.

List of products in Fibers


Asahi Kasei Group

Group Philosophy
We, the Asahi Kasei Group, contribute to life and living for people around the world.

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