Exothermic Molding Celebrates 50 Years of RIM Manufacturing

On Oct 26, 2021

Multi-generational family-owned Exothermic Molding, based in Kenilworth, has stood the test of time as it marks 50 years of plastics fabrication. Company President Paul Steck attributes the longevity to a few notable factors: “Conservative management, a dedication to continued acquisition of knowledge, innovating products, processes, and materials, investing in people as well as equipment—in short, staying ahead of the curve.”

Exothermic pioneered the Reaction Injection Molding (RIM) industry. Founded in 1971, the company had its roots in providing RIM parts to the medical, electronic, and lab instrument markets. Since then, Exothermic has expanded into many other applications and markets including fabricating parts for exercise equipment, cosmetics displays, and robotics.

The company has grown from a garage-based operation to the modern, seven-press, 10,500 square foot facility of today. Over the years many technological improvements have been made to the equipment and process. Exothermic Molding’s state-of-the-art facility employs modern, computerized Programmable Logic Controlled machinery. This includes urethane and PROXIMA (DCPD  metering units, an environment-controlled, positive pressure spray booth with air make-up and bake and cure capability, as well as modern CNC machining centers. The plant environment has been upgraded as well, with solar panels, energy-efficient windows, and HVAC designed to reduce its carbon footprint. Recent investment in large format 3D printing has led to large-scale rapid prototypes with class A painted finishes.

From the very beginning, the Exothermic philosophy was to provide as much customer value as possible. Exothermic often sources and sub-assembles matching components to further reduce the customer’s cost, as well as offering design assistance when required.

RIM’s future is bright. Industrial Designers and Mechanical Engineers are discovering its great design flexibility and outstanding value. Exothermic recently invested in new materials that enhance RIM’s capabilities, such as Proxima®, a trademark of Materia, Inc.

Paul Steck is a big believer, “The superior properties of this material, such as its extreme durability and its light weight, have allowed us to produce even better results for our clients’ needs.” Exothermic is at the forefront of RIM manufacturing, and no matter where the technology leads, the company will be there as it heads into its fifth decade.

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