Plastic Injection Molding Resource Center

C&J’s Plastic Injection Molding Resource Center is for anyone that deals with injection molded plastic parts. This is a page you’ll want to bookmark for your future use. If you need any additional help with your plastic injection molding project, please contact us.

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SPI Mold Specifications

If there is one area of confusion in Plastic Injection Molding, it’s identifying the various classifications of molds. The Society of Plastics Industry (SPI) has established a standards guide that explains what you can expect when you purchase a plastic injection mold.

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Conversions & Calculations

Of all our Plastic Resources, this section is one of the most popular. Whether you need to calculate shrink values for various plastic molding resins or press sizes for your injection molding part, this is where to find the engineering tools you need.

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Glossary of Plastic Terms

This guide lists many of the terms used in injection molding. Becoming familiar with these terms will increase your understanding of the plastic injection molding industry.

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Injection Molding Resin Information

This Injection Molding Resin Information guide explains a broad family of thermoplastic resins, their generic and trade names, as well as their benefits and disadvantages.

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