... as core 3. Solid Heart EPS Cement Sandwich Panel is a kind of new light weight energy ... reinforced 4.5mm calcium silicate board as face panel, cement and EPS polystyrene foam as core material ... , heat preservation, sound insulation, quakeproof, low cost and space saving.EPS&Cement sandwich panel, as a prefabricated non ... , Canada, Lybia, Ireland and so on. SOUND INSULATION EPS&CEMENT SANDWICH PANEL