Polystyrene foam (Expanded Polystyrene referred to as EPS) is a light-weight polymer. It is the use of polystyrene resin into the blowing agent, while heating to soften, produce gas,forming a hard closed-cell structure foam Plastic.

Expandable polystyrene (EPS)
EPS has also been used for a large number of decorative materials, film and television scene layout, character modeling, marine life jackets and buoys. In particular, large foam sheet market demand is very large, as  color steel sandwich panel, steel (board) grid composite light panels, wall outside the paste board, roof insulation boards and geothermal panels, it is more widely Used in the field of housing construction, for insulation, heat insulation, waterproof and moisture-proof materials on the ground.