Polyester Roll, Material Polyurethane, Shape Roll, Grade Flame-, Length 25 ft, Width 54 in, Thickness 1/2 in, Backing Type Adhesive, Cell Type Open Cell, Number of Adhesive Sides 1, Color Gray, Density 2 lb/cu ft, Maximum Temperature 180 Degrees F, Minimum Temperature -20 Degrees F, Maximum Adhesive Temperature 180 Degrees F, Minimum Adhesive Temperature -20 Degrees F, Tensile Strength 20 psi, Texture Smooth, Firmness @ 25 Percent Deflection 0.55 to 0.74 psi, Material Skin None