A growing number of plastics processors gain a competitive edge by utilizing the commercial microcellular process using existing injection molding or extrusion equipment at commercial production rates with low-cost modifications. End users also gain an advantage when the microcellular process is incorporated into product design and cost. In order to facilitate the transition and to help processors and end users make the most of this cutting edge commercial technology, this book provides a comprehensive description of all crucial elements. Endorsed by Trexel Inc., this volume provides the much-needed information for anyone considering or already implementing this promising new technology.