... fiber board for building ceiling decoation Specification:Quadrate Aluminium ceiling: 300x300mm, 500x500mm, 600x600mm, Ribbon Aluminium ceiling: width100mm, 150mm, ... ceiling Board: 600x600mm, 600x1200mm Thickness: 8mm,10mm,12mm,14mm,16mmFeature 1), Light weight, high strength, 2), acid-resistance, alkali-resistance 3), Perforation ... ), good sound insulation feature. Ceiling tile for modern construction