ASCHEM Petrochemical In. Co. Founded in 1998, it has been producing Polystyrene (GPPS, HIPS) with its "Continuous Mass Polymerization" technology since 2000, as the first investor of Adana - Yumurtalık Free Zone. It completed its high-tech Expandable Polystyrene (EPS) investment in 2016 and started mass production in 2018, becoming one of Türkiye's leading EPS manufacturers. Within the scope of new investments, Expandable Polystyrene (EPS) was added to the product portfolio as Standard Class (R Series) and Flame Retardant Class (F Series). We are the domestic, first and leading Polystyrene producer of the Turkish Petrochemical Industry. We produce at international standards with our Advanced Technology Suspension Polymerization Process and qualified employees.