foam carpet underlays width:1.37m,1.83m thickness:3mm,4mm,5mm,ect Laminated: Al foil,PE ,Non-woven recycled foam... Product DescriptionTechnical Specification Product Name: Recycled PU Foam Carpet Underlay Thickness: 5mm, 6mm, 7mm, 8mm, 9mm, 11mm, 12mm Density: 60kg/m3, 70kg/m3, 80kg/m3, 90kg/m3, 100kg/m3, ...200kg/m3 Application: Domestic and light commercial use Character: Sound Absorption, ...