ISOSOUND PE-MR6 is a multilayer acoustic insulator composed of two 2.5 mm embossed polyethylene sheets with a damping PVC mass between them. TECHNICAL CHARACTERISTICS:Standard size: 1000x3000 mmThickness: 6mmWeight: 3.1 Kg/sqm approx.Operating temperature: -30 +90 (continuous)Fire resistance: Self-extinguishing in accordance with UL94HF1