This is the fourth post in a five-part “FR Clothing Materials” series. Don’t miss our previous posts, which offer insight into commonly-asked questions: What is FR fabric, What is the difference between fire retardant and flame resistant, and Is cotton FR. And, check back soon to read the last post in the series, “What is aramid yarn?”
Developed by DuPont more than 50 years ago, Nomex® is a brand name for one of the first flame resistant (FR) fibers developed and used to protect workers. Learn more from Scott Margolin, Vice President of Technical, who has decades of experience in FR fabrics:
As Scott explains, Nomex is an inherently FR fiber that does not burn or melt and drip, and its protective properties are permanent; they cannot be laundered out or worn away.
When exposed to extreme heat during an arc flash or flash fire, Nomex swells and forms a char—giving the wearer critical protection and valuable extra seconds to escape. The protective char remains supple until it cools. Nomex:
There are several Nomex fabrics used for arc flash and flash fire protection:
Since Nomex was developed over 50 years ago, many other FR fabrics have become available in the market for arc flash and flash fire protection– each with different features and benefits. Click here to explore other FR fabrics and click here to explore FR garments available from Tyndale.
Need help navigating the industry and identifying the right garments for your workers? Use the box on the right to request your complimentary technical consultation with Scott Margolin.