Polystyrene is often used to make foam products. Polystyrene can also be other types of polymer materials of rubber produce a variety of different mechanical properties of copolymer products. Common applications in daily life a variety of disposable plastic tableware, clear CD boxes and so on. Expanded polystyrene (Styrofoam) on the use of building materials, widely used since 2003 in the hollow floor noise insulation material. Accomplished with the development of architectural materials, décor mouldings are more and more popular on installation of constructional projects and home decoration