Recycled plastic raw material often contains some moisture, if not eliminated, the moisture will form into drain marks or bubbles on the surface of the related products when processing, besides quality affected, the moisture even causes impossibility of processing. Desiccant MB is developed to eliminate the moisture in PP, PE, PS, ABS resin , Nylon resin.with a small adding rate into the plastic resin before production, it saves the drying process and carries out the production process directly.