A process for removing a contaminant from post consumer recycled (PCR) plastic is disclosed, the process comprising the steps of comminuting the PCR, to prepare particles having a particle size from about 0.001 inch to about 0.15 inch, wherein the PCR plastic is not polyethylene terephthalate； and driving the contaminant out of the plastic particles by causing the contaminant to diffuse out of the plastic particles.
