EN ISO 14116 EN 533
En ISO 14116 Limited Flame Spread
This European Norm is often used for lower-level Flame Resistant protective garments such as Socks, Rainwear and Hi-Visibility Waistcoats. It is divided into 3 classes, where Index 3 is the highest.
- The flame does not spread, there is no flaming debris, nor afterglow, a hole may be formed.
- The flame does not spread, there is no flaming debris, nor afterglow, no hole formation.
- The flame does not spread, there are no flaming debris, nor afterglow, no hole formation, the after-flame times of each individual specimen is less than 2 seconds.
It is important to note that Index 3 garments should be worn in conjunction with EN ISO 11612 garments, and Index 1 garments should not be worn next to the skin.