... strength 4.Passed EN11611, EN11612 reflective anti fire protective coveralls / fire fighters coverallApplications:oil field, field operations, petrochemicals ... name: Hot sale 100 cotton fire resistant protective coveralls for welding 2. FR-treatment: Proban,Pyrovatex,Frecotex ... resistant:4-5 grade 7.Usage:Industry, Military, Firefighter, Workwear, Petroleum, Metallurgy 8.Construction:Twill,Satin,Plain ...