polyurethane cushion foam 1,ILD hardness:20-50 2,Density:35- ... : 609.6mm, 2438.4mm 4,Thickness: 25.4mm-152.4mm polyurethane cushion foam40KG/m3: ILD hardness of 3540-44.8kg/m3 ... , 152.4mmDensity: 35kg/m3 Density: 40kg/m3 Density: 22kg/m3 polyurethane cushion foam