... : 0.2-1.0mm 2)Core Materials Option: Polystyrene(EPS), Polyurethane(PU), and Rockwool. Rockwool Sandwich panel Prefabricated ... :950mm,980mm ,1000mm ,1200mm;2)Core Materials Options: Polystyrene(EPS), Polyurethane(PU), and Rockwool Thickness:50mm,75mm,100mm,150mm ... 8-20kg/m³.2.a)EPS Sandwich Panel: Polystyrene Sandwich panel *Polystyrene is self-extinguishing. EPS Sandwich Panel has excellences of ...