Size: 1/2"x24"x72", Color: Gray. Density: 1.20 Compression Ratio: 33lb (Hardness) / Overall Sound Insulation Coefficient (NRC): 0.40 Ideal for chair cushions, acoustic foam, foam pads, foam mattress toppers, and soundproofing foam. CertiPUR-US certified foam, 100% recovery rate/flame retardant. Technical bulletin CAL 117-2013: Requirements, test procedures, and equipment for testing the lower resistance of materials used in upholstered furniture. CAL 117, for short, is a regulation that sets standards for flammability of upholstered furniture in the furniture industry.
