Fire Retardant short for FR clothing is essential to protect workers from oil and gas that involve in burning injuries and fatalities.

The Requirement of FR clothing is as followings:

1. arc rating
2. base layer
3. clear length
4. denim
5. energy break-open threshold
6. flame resistant
7. heat stress
8. inherent flame resistance
9. jackets
10. knits
11. lightweight
12. multi-hazard protection
13. zipper

The fabric of FR clothing needs to pass the arc discharge test that determines how much energy can pass through the fabric before there is 50% probability of second-degree burns. The base layer, denim, reflective fabric, jacket, and zipper must fire retardant.