polyurethane cushion foam 1,ILD hardness:20-50 2,Density:35-110 3,Size: 609.6mm, 2438.4mm 4,Thickness: 25.4mm-152.4mm polyurethane cushion foam40KG/m3: ILD hardness of 3540-44.8kg/m3: ILD hardness of 20, ILD hardness of 5030KG/m3: ILD hardness of 35Size: 609.6mm, 2438.4mmThickness: 25.4mm, 50.8mm, 76.2mm, 101.6mm, 127mm, 152.4mmDensity: 35kg/m3 Density: 40kg/m3 Density: 22kg/m3 polyurethane ...