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 8 lb/cu ft R Value @ 1000F 0.75 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