... is an extruded polystyrene foam board bonded between two sheets of high-impact polystyrene or white card paper. ... It is also flatness, light-weight, rigid and durable, water proof, moisture proof, good heat preservation ... , printing, silk screen printing,engraving materials, sign board, etc.2. Furnitureoffice furniture, cabinet, bath cabinet, etc.3. Finishing Materialdecorative sheets, ...