... ) 1200-3000mm X 610,915,1220mm X (30,50,75,100,150,200mm)3. Usage: Interior and exterior partition on steel ... .5. Key Specifications/Special Features:Wall thickness:30,50,75,100,150,200mmMaximum width: 1220mmLength: according to custom demands, engineering requirements ... buildingWaterproof and damp resistant,With fireproof feature Magnesium fireproof Wall Panels