General purpose polystyrene (GPPS) 0504 is a high heat resistance and molecular weight crystal polystyrene for extrusion and thick walled injection Molding application. It is particularly useful in the production of thick sheet by direct inject gassing, where it gives expanded sheets with high mechanical properties. This grade has food contact approval. Application: Insulation board (XPS), foam sheet of food & fruit trays.Information provided by Persian Gulf Polymer - Pooya Tejarat Novin Co. |