Polystyrene (PS) , is a synthetic resin made byhomopolymerization of styrene monomers or with other comonomers.Sinopec is able to produce general-purpose PS (GPPS) and highimpact PS (HIPS). GPPS can be used to make daily necessities, electrical instrument shells, toys, lamps, cosmetic containers, decorations, optical parts (such as triangular prisms and lens), auto headlights, telecom accessories, capacitor films, highfrequency insulating materials, waveguide tubes, chemical vessels, structural foam products, etc. HIPS can be used to make shells of electrical household appliances, refrigerator lining, plates, TV sets, recorders, telephone body cases, stationary, toys, packaging vessels, daily necessities, dishware, etc.
