... in the whole world .sandwich panel ,mainly divided into two types ,EPS sandwich panel and rockwool sandwich panel .thickness of sheet :0.30-0 ... :8-15kg/m^3Rock wool density :120kg/m^3TYpe of wall panel 950,1150 Core material thickness30mm,50mm,75mm,100mm,150mm and ... so on another type panel ,flat wall panel 1000,1200 type of installing overlap,scoket ,cap color of sheet as per ral card ...