... style Cheap/stable quality ps foam sheet Introduction:Paper Board is an exturded polystyrene foam center board with clay coated ... paper linersStucture: Paper Liner+ Polystyrene Foam Core+Paper Liner.Color: white,red,blue,yellow,green ... outdoor decoration,air conditioning ducts,windows and false ceilings3.Industrial field:wall claddings,control cabinets and panels,structures for ...