... installation 2)High strength 3)Protection environment 4)Beautiful shape. EPS Sandwich PanelsComponents:1) Preservative coating2) Painted steel panels(from 0 ... (combining the steel panels with the core panel)4) Insulating EPS core panel (thickness:50mm,75mm,100mm,125mm,150mm; Density: from ... of the core panel4. Density of the core panel Economic EPS Sandwich panel