It can be used for any kind of industrial and construction works. Our workwear pretect you everyday and help you doing heavy works. This garment meets or exceeds the standards for HRC2, Arc Rating Atpv 11.6 Calories/cm2 and the requirements of NFPA2112 Standard on Flame Resistant Garments for Protection of industrial Personnel Against Flash Fire,2012 Edition We attached a small sample inside package for customers simple FR try Clear FR tag on arms and more FR info on inside tag about UL certification. BOCOMAL FR Flame Resistant Shirts Light Weight CAT2 Fire Buy BOCOMAL FR Hi-Vis Shirts 6oz Lightweight High Visibility Reflective Flame Resistant/Fire Retardant Shirt Men's Safety Shirts Also NFPA70E ASTM F1506 and NFPA2112 CAT2 Classified by UL! MULTI-USE:Made for welders, fitters, ironworkers, electricians and other industrial workers even at Home. MORE USE TIME: UP TO 100 WASHES ,Our shirts has the appropriate level of protective gear and stays enforced up to numerous washes. ANSI Class 1 Safety Shirt Aazon.co: BOCOAL FR Shirts Hi-Vis High Visibility Reflective Flae ANSI Class 1 Reflective Shirt You can wear and wash it over and over again for up to 100 times before FR still works.