Supreme Petrochem Ltd manufactures High Impact Polystyrene with High Heat Grade. Supreme Petrochem Ltd has been awarded ISO 9001:2000 and ISO 14001:1996 certifications. Supreme Petrochem Ltd offers a wide range of products which covers the entire spectrum of Polystyrene, GPPS range covers MFI of 1.6 to 20, HIPS covering both extrusion and moulding grades, ESCR, High Gloss and super High Impact grades and the specialty range. High Impact Polystyrene with High Heat Grade has the quality of good flow properties and very good stiffness. High Impact Polystyrene with High Heat Grade is made by the process of molding. It is available in the grade of SH825.