Foam Sheet High Performance Material Poron Microcellular Urethane Thickness 0.500 In. Width 54 In. Length 36 In. Finish Smooth Color Black Backing Type Plain Temp Range (F) -40DF to 194DF Thickness Tolerance 10 Percent Width Tolerance In.+/-1/16 Length Tolerance In.+/-1/16 Tensile Strength (PSI) 70 Firmness @ 25 Percent Deflection (PSI) 5 Stretch Limit 160 Percent Density 15 lbs / ft3 Standards UL 94HBF MVSS 302