Electrochemical Cell Plate RTP Company End-Use Case Study “It was the largest injection molded part I’d ever seen!” exclaimed RTP salesman Bud Norring. He was refereeing to Eimco Molded Products Company’s huge electrochemical cell plates, used in the production of chlorine and other caustic solutions for pulp and paper mills. In comparison to the use of thermoplastics for diminutive parts such as the potentiometers described in the last issue of Compounding Lines (see Three parts per pellet!), these are some of the world’s largest injection molded thermoplastic parts. Because of its superb chemical resistance and low cost, polypropylene is a favored material for this application. RTP 107 CC, a chemically-coupled glass fiber polypropylene is used in an Oxy Tech Inc. cell plate, illustrated

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