Mineral Fiber Ceiling Board: 1) Material: Mineral fiber 2) A kind of construction material mainly used by partiontion system. 3)Main Sizes: 595 x 595mm, 600 x 600mm, 603 x 603mm, 595 x 1195mm, 600 x 1200mm, etc. Thickness:7mm, 8mm, 9mm, 10mm, 12mm, 14mm, 15mm, 16mm, 18mm Special specification can be available 4) Widely used in industrial or residential builings. 603*603*12mm