... Foam boardIntroduction: Oursign Polystyrene foam board/KT board is an extruded polystyrene foam board bonded between two sheets of high ... .3. weather proof.4. easy to clean and maintain. 5. Color: white, red, blue, yellow, green, black. Application:1. ... exhibition & display, printing, silk screen printing,engraving materials, sign board, etc.2. Furnitureoffice furniture, cabinet, bath cabinet, etc.3. ...