TECHNICAL SPECIFICATIONS Owner: ALO Dimensions: diameter: 5 mlength: 25 m Description: vertical pressure equipment, consisting of three heat exchangers arranged in groups of different materials due to operating temperatures ranging from 100°C to 430°C.The upper part is made of 304H, the middle part Cr - Mo and the lower is made entirely of carbon steel. The process starts with Ethylbenzene, which is cooled to obtain Styrene, then polymerised to form Polystyrene.