Foam Sheet Open Cell Material 300135 Polyurethane Thickness 1 In Width 24 In Length 24 In Finish Smooth Cellular Color Charcoal Backing Type Plain Temp Range -20 to 180 F Thickness Tolerance +/-0.250 In Width Tolerance +/-0.250 In Length Tolerance +/-0.250 In Tensile Strength 30 PSI Firmness @ 25 Deflection 1.05 - 1.50 PSI Stretch Limit 140 Density 3 lbs cu./ft. Standards MVSS 302FR