fire blankets for welding 1)material:100%fiberglass 2)temperature:550degreeC 3)life saving,fire proof fire blankets for weldingFire fighting; heat insulation;live saving; Light weight,Well handle Austrila and Europe StandardTemperature resistance: 550CdegreeSoftness and smoothness,Fire resistance, Self-extinguishable, Acid-resistance, Alkaline-resistance