Insulation Sheet, Insulation Material Buna-N Rubber/PVC, Insulation Color Black, Overall Length 4 ft, Width 3 ft, Thickness 3/4 in, Minimum Operating Temperature -40 Degrees F, Backing Type Adhesive, Maximum Operating Temperature 200 Degrees F, Jacket Material Unfaced, R Value 3, Form Sheet, Flame Spread Index 25, Smoke Developed Index 50, Foam Cell Type Closed, Plenum Rating Plenum Rated, Flexibility Flexible. This item has been restricted from sale in the following state (s): []