Luke Polycrystalline Alumina Fiber blanket needled on both sides and contains no binder or other added constituent. It can be used at continuous operating temperatures up to 1600 °C, under oxidizing, neutral or slightly gas-rich conditions, retaining its original toughness, strength and soft, fibrous structure after extended use at this temperature.
link:http://www.lukewool.com
Polycrystalline Wool Blanket