... 0.6mm 3\Good insulation Sandwich PanelOne: Technical Specifications1.Density: 30 kg/m32.Coefficient of thermal conductivity:k=0. ... .6mm,colored steel plate, pained and galvanizedInsulated material: polyurethane (PU), Density: 10-30 kg/m3Style: H- style board, ... used as roof panel and wall panel in steel structure warehouse, modular house, especially for cold storage High Quality EPS Sandwich Panel