This item is an 8 pound density 1 inch thick Ceramic Fiber Blanket measuring 1" x 24" x 31". It has a temperature performance rating of 2300 degrees F. It is used in kilns, forges, boilers, glass blowing, wood stoves, knife making, ovens, pottery, welding, soldering, and many other high temperature applications. Axim Mica is committed to delivering high quality products and services to our customers that meet and exceed their expectations. All levels of the organization are dedicated to the process of meeting and exceeding customers' requirements.