EPDM Sheet Material EPDM Shape Sheet Grade Standard Length 24 in Width 12 in Thickness 1/4 in Backing Type Adhesive Cell Type Closed Cell Adhesive Type Acrylic Number of Adhesive Sides 1 Color Black Density 18 lb/cu ft Maximum Temperature 275 Degrees F Minimum Temperature -90 Degrees F Maximum Adhesive Temperature 230 Degrees F Minimum Adhesive Temperature -30 Degrees F Tensile Strength 70 psi Texture Smooth Firmness @ 25 Percent Deflection 11 psi Material Skin None