Special polystyrene alloy which combines the easy processing of styrenics with superior impact strength and excellent environmental stress cracking resistance to chemicals, oils and fatty foods. Koblend P 477E is recommended for the extrusion and the thermoforming of sheets for industrial applications, for inner liners of refrigerators and packaging for fatty foods. Applications Koblend P 477E is suitable in a large variety of sectors such as: - thermoformed panels for tractors - inner liners for refrigerators - flexible profiles - tubs and lids for packaging of fatty foods