Ceramic Fiber Insulation, Insulation Material Aluminum Silicate, Overall Length 25 ft, Overall Width 24 in, Thickness 1 in, Maximum Use Temperature 2,300 Degrees F, Density 6 lb/cu ft, R Value @ 1000F 1.06, Form Roll, Flexibility Flexible, Standards UL 723, Insulation Width 24 in, Pipe Insulation Item Ceramic Fiber Insulation, Maximum Continuous Use Temperature 1,922 Degrees F, For Piping System Industrial Process, For Use On Pipe Insulation, Insulation Color White