The Kronos Heat Resistant Door Sleeve is designed to provide superior thermal protection in high-temperature environments. Constructed from fibreglass fabric with a specialised fire-retardant PU coating on one side, it offers enhanced resistance to heat, fraying, and mechanical wear . Ideal for welding and grinding applications, this door sleeve is a reliable safety solution. Enhanced Durability and Fire Resistance The Kronos sleeve features a grey PU coating with aluminium pigments , improving its anti-slip properties while preventing fraying.