1.light, rough , high intensity, heat preservation & insulation 2.sound insulation & absorbing 3. anti-chemical corrosion Specifications: Thickness (mm): 1 - 32 Length (mm): 2440, 3050, 6000 Color: white, black, red, blue, yellow, green, gray light, rough , high intensity, heat preservation & insulation, damp & water proof, anti- mildew & rot, acid & alkali endurable, sound insulation & absorbing ...