EPS sandwich board 1, Excellent price and quality 2, Light weight 3, Easy installation 4, ISO9001-2000 EPS sandwich boardProduct DescriptionHeat ... . Fire resistance raring: None Usage:This kind of sandwich panel can be used in steel structure workshop, easy ... 200mmdensityRock wool 120-250kg/m3,EPS 12-35kg/m3,PU 35-50kg/m3Conventional colorOcean blue, tephrosiouslifetime15~20 yearsCharacterLight ...