... 8g/cm3Thickness:2-20mmPackage:customizedOursign PVC free foam sheet is a new type of environmental protective ... flexible, anti-flame, alkaliacid resistance, moisture proof, good heat preservation, sound insulation, shockabsorption and so on. The ... fire retardant and self-extinguishing2.sound insulation, heat insulation , noise absorption, heat preservation and corrosionpreventin.3.weather proof, ...