... 2, Light weight 3, Easy installation 4, ISO90 EPS concrete sandwich wall panelProduct DescriptionHeat Insulation / Inflaming RetardingThickness: 50mm-200mmWidth: 950mm ... noise-absorbing2. Fire resistance raring: NoneUsage:This kind of sandwich panel can be used in steel structure workshop, easy building ... factory buildings, storages, exhibition halls, gymnasiums etc. EPS concrete sandwich wall panel