... mineral fiber Ceiling Tiles is the most economical lay-in ceiling board used in the suspended ceiling system. This ceiling board ... 13mm,14mm, 15mm, 16mm,18mm, 20mm etc.Mineral Fiber Tile Product FeatureSound absorbing,Resistance to fire, warm-keeping, energy-saving ... , heat-insulatingPatternMineral Fiber Tile :Pine holes,fine fissured ,dune surface ,small box,any ...