Dioctyl adipate (DOA) is considered as another plasticizer oil in the production of soft PVC compounds. This oil belongs to the aliphatic family and is the result of the esterification process of doethylhexanol alcohol and adipic acid, so it belongs to the family of non-phthalate plasticizers. DOA is a clear oily liquid with a long shelf life, insoluble in water, high cold resistance, low viscosity, and also by creating favorable physical and mechanical changes without changing the chemical structure in the polymer, it is used as one of the best plasticizers to replace DOP. can be Khorram Plastic Company is proud to have an important contribution to the domestic production of this product by acquiring the knowledge and technology to produce this oil and with a monthly production capacity of 10,000 tons.