EPDM Roll, Material EPDM, Shape Roll, Grade Standard, Length 36 in, Width 36 in, Thickness 5/16 in, Backing Type Plain, Cell Type Closed Cell, Adhesive Type Plain Backing, Number of Adhesive Sides 0, Color Black, Density 18 lb/cu ft, Maximum Temperature 275 Degrees F, Minimum Temperature -90 Degrees F, Tensile Strength 70 psi, Texture Smooth, Firmness @ 25 Percent Deflection 11 psi, Material Skin None, Flexibility Fair, Standards ASTM D1056 2A3, FMVSS 302, Chemical Resistance Good