The Fire Retardant Boiler Suit is made from Pyrovatex treated fabrics. Pyrovatex is the world best flame protection for cotton fabrics as proved by comprehensive testing in line with international standard. Pyrovatex treated cotton fabrics are confirmed to EN 531 and OKO TEX Standard 100. Our offered Fire Retardant Boiler Suit has outstanding durability and reliability. The Fire Retardant Boiler Suit will not melt with exposure, heat and flame. Fire Retardant Boiler Suit protects workers from flash fire molten metal splashes, high heat and welding sparks, electric arc, etc.