... , 84 Bitmap CE En13162Raw materialsperlite, mineral fiber, organic fiber, additive(some chemical stuff )Measures610x610, 610x1220, 595x595, 595x1195Thickness12, 13, 14, 15, 16 ... , Hospital ,school, Shopping mall, airport, metro station and etc.) 3. Engineering Projects.PRANCE mineral fiber acoustical ceiling tiles are a great commercial ...