... ) Light weight, flat surface and high strength B) Excellent heat insulation, sound insulation, f (1) ACP paenl Certificate According to GB/T ... ) Light weight, flat surface and high strength B) Excellent heat insulation, sound insulation, fire-resistance, Acid-resistance, alkali-resistance, weather-proof C ... panel-7000M2, 4mm panel-6000M2, 5mm panel-5000M2. Aluminum Composite Panels