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Oct. 27, 2020
Toray Industries, Inc.
Toray Develops Nanotech-Based Odor-Quelling Textile
Tokyo, Japan, October 27, 2020 – Toray Industries, Inc., announced today that it has developed Mushon® 4X, a textile that quells the sources of odors. The company applied proprietary nanotechnology in combining several functional processing techniques to deliver odor prevention and elimination, antibacterial, and antioxidant performance.

Toray will commercialize this textile in November 2020 for diverse applications needed to control unpleasant odors. They include use in innerwear, dress shirts, denim, chinos, and other regular apparel, as well as futon covers, sheets, and other bedding, and in work, service, medical, and school wear, and other uniforms. Toray targets initial sales of around 200,000 meters in fiscal 2021, increasing to 500,000 meters in fiscal 2025.
The company developed MUSHON with the Japan Aerospace Exploration Agency in 2008 to deodorize ammonia from perspiration. This material has won accolades for its performance in regular innerwear, uniforms, sportswear, and other items. MUSHON 4X augments the deodorizing capabilities MUSHON with odor suppression.

A rising number of sweltering summer days has increased the need to control and eliminate perspiration odors. Toray used its Technorama GII and Technorama GIII weather simulation chambers to reproduce a range of temperature and humidity conditions and reconfirm and assess odor causes. This work revealed the oxidative decomposition of sebum as an odor cause.

MUSHON 4X overcomes ammonia odors. It prevents stains by stopping sebum from accumulating in fabric. It suppresses the growth of bacteria causing mildewy odors. It also acts as an antioxidant in inhibiting the oxidative decomposition of sebum. Toray’s nanotechnology -based post-finishing treatment made it possible to deliver these benefits without harming washability. This general-use textile is suitable for diverse applications and can combine with sweat-wicking and stretch fabrics to enhance wearer comfort.

MUSHON 4X is eco-friendly because it is free from fluorine-based compounds in functional processing.

Toray will help materialize comfortable work environments by developing high-performance materials and products for uniforms to help optimize work efficiency, comfort, and safety while minimizing environmental impact.
Product Summary Sheet
1. Product name:  MUSHON® 4X
2. Key features
(1)Suppresses ammonia odors
(Toray testing reduced ammonia odors by 80%)
(2)Prevents sebum accumulation in fabric.
(3)Controls growth of odor-causing bacteria
(4)Inhibits oxidative decomposition of sebum
3. Technical overview
Nanotechnology simultaneously delivers the following benefits
(1)Suppresses ammonia odors
(2)Prevents stains by stopping sebum from accumulating in fabric
(3)Suppresses growth of bacteria causing sweaty and mildewy odors
(4)Acts as antioxidant in inhibiting oxidative decomposition of sebum
4. Applications
Uniforms, innerwear, dress shirts, denim, chinos, and other apparel, as well as futon covers, sheets, and other bedding essentials