Polyurethane foam is a versatile material used for shock absorption and cushioning. It is a common choice for packaging and insulation applications. This Product is Manufactured in China. Grade: Sheet; Firmness: Open Cell; Backing Type: Polyurethane. Thickness: 1/4"; Width: 13"; Length: 13". Color: Black; Texture: Smooth; Compression Deflection at 25%: 0.9 psi; Density: 2 lbs / cu. ft.; Tensile Strength: 20 psi. Temperature Range: -20° to 180° F; Specifications Met: 0.