Claretex Hysil is a flexible, alumina-silica fabric designed to provide protection from extreme heat and molten metals.Excellent thermal insulation characteristics over a wide variety of temperature ranges.Meets MIL-C-24576, Ty. I, Cl. 2. When required, material can meet MIL-I-24244 and NRC 1.36.Hysil offers excellent chemical resistance. Fabrics can be specified with aluminum, neoprene, silicone, or other coatings to meet specific performance requirements.Hysil generates essentially no smoke or fumes under the most severe heat conditions.Fabrics can be treated to enhance abrasion resistance and flexibility at elevated temperatures.May be used for personnel and equipment protection, welding cloths and curtains, stress-relief blankets, cable tray wraps, or fire and furnace curtains.