Poron Microcellular Urethane Sheet, Material Polyurethane, Shape Sheet, Grade Flame-Resistant, Length 54 in, Width 36 in, Thickness 3/8 in, Backing Type Adhesive, Cell Type Open Cell, Number of Adhesive Sides 1, Color Black, Density 15 lb/cu ft, Maximum Temperature 194 Degrees F, Minimum Temperature -40 Degrees F, Maximum Adhesive Temperature 200 Degrees F, Tensile Strength 70 psi, Texture Smooth, Firmness @ 25 Percent Deflection 5 psi, Material Skin 2-Sided, Standards MVSS 302, UL 94 HBF