... and low buildings.It have passed Austria and Venezuela test. Exterior and Interior all can used.1. Composition: Core materials: magnesium ... (30,50,75,100,150,200mm)3. Usage: Interior and exterior partition on steel or concrete structure building, For new construction ... buildingWaterproof and damp resistant,With fireproof feature ightweight partition wall panel,exterior wall panels,magnesium oxide wall ...