According to Ilam Petrochemical Company, Hassan Najafi-Semnani stated that the design capacity of the HDPE unit is 40 tons per hour, saying: "Relying on the knowledge of young engineers of Ilam Petrochemical Company, the capacity of this unit increased to 44 tons per hour. The record has been unprecedented since the launch of the HDPE unit in 2013.

The CEO of Ilam Petrochemical Company further stated that the plant’s HDPE output has seen a 100% growth compared to the year-ago average while production of propylene grade polymer has tripled in the facility.