... weight, heat preservation, fireproof, waterproof, environmental protection etc. MGO wall panel Composition:Mgo wall panel is produced through a special pressing process ... : 15-30kg/m2. Compare to other kind of wall panel, mgo wall panel is very light.2. FireproofIt reaches the standard ... soaking in water for a few days.4. Soundproof 9CM mgo wall panel soundproof can reach 36dB.5. heat preservation 6 ...