PS foam board Material:Polystyrene Densityrange: 80g/sm--230g/sm thinkness: 2-20mm size:4'x8',5'x10' PS foam boardSize:A4 ... 10mm etc. Features:1. Smooth, Light-weight.2. sound insulation, heat insulation .3. weather proof.4. easy to clean and maintain. ... exhibition & display, printing, silk screen printing,engraving materials, sign board, etc.2. Furniture office furniture, cabinet, bath cabinet, etc ...