... Thickness:4mm~10mm Surface:PS ,White paper KT Foam boardIntroduction: Oursign Polystyrene foam board/KT board is an extruded polystyrene foam board ... proof, good heat preservation, sound insulation and so on. The boards have PS surface, paper surface, adhesive release paper. They can ... boardARed, Yellow, Blue, Green, White, Gray, Blackspecialcard board with adhesiveAspecial\ KT Foam board