Polystyrene board full name polystyrene foam board, also known as foam board or EPS board, is made of expandable polystyrene beads containing volatile liquid foaming agent, which is heated and formed in the mold after heating and pre-fabricated. A white solid with a closed cell structure. Form as we buy the shockproof foam inside the furniture The main purpose 1> Insulation layer for building wall, roof insulation and composite insulation board; 2> Insulation materials for vehicles, ship refrigeration equipment and refrigerators; 3> used to decorate various models. 4> Used as a protective layer for the waterproof layer. Small Solar Panels,Customized Solar Panel,Small Size Solar Panel,Small Size PV Module,Customized PV Module Jiangyin Haoxuan Technology Co., Ltd. , https://www.haoxuan-tech.com