An extrusion process of a manufacturing system for plastic which also serves as a depolymerization reactor through the use of melting point's temperature as activation energy and liquid solvents. The melting point activation energy and liquid solvents are used to generate a certain level of depolymerization at the manufacturing process of any given plastic product. The process includes several variables that are used in determining a final additive that is introduced at the beginning of the extrusion process. The final additive includes a mixture of a liquid solvents, a molecular filler, chemical carriers, and stabilizers.