... thickness:2.5mm~30mm 4.97% reflectivity Characteristics:1.No odor and toxicity, Environmentally-friendly;2.Light, soft, dust free, ... reflection, heat insulation, sound insulation, anti-radiation, anti-vibration and shielding;4.Moisture barrier, sun-proof, water proof, good ... air condition;6.Winter: heat preservation, central heating saving and remarkable energy-saving effects. Usage:1.Roof, wall, floor ...