r 12mm gypsum boards and 123mm wall's sound insulation standard, equivalent to 150mm sound insulation result of ordinary solid brick wall.(4)Keep warm and insulate heatThe thermal resistance is 1.14m2k/w; It has the function of fine heat insulation and keeping warm extremely.(5)The light weight and high intensityApplications1. Wall cladding or sheathing2. Wall partitions3. Clean rooms/server rooms4. Mobile toilets/washrooms5. Poratble cafeterias/restra6. Siteoffices/ labour quarters7. Workshops/