Polyurethane Sheet Material Polyurethane Shape Sheet Grade Standard Length 36 in Width 36 in Thickness 4 in Backing Type Plain Cell Type Open Cell Adhesive Type Plain Backing Number of Adhesive Sides 0 Color Beige Density 2.8 lb/cu ft Maximum Temperature 180 Degrees F Minimum Temperature -20 Degrees F Tensile Strength 20 psi Texture Smooth Firmness @ 25 Percent Deflection 6 psi Material Skin None Flexibility Good Standards CAL 117 Chemical Resistance Fair