Plastic Injection Molding Resources

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.

C&J’s Video Page

For the latest on C&J’s plastic injection molding capabilities, check out our video page.


Plastic Blog

The use of injection molded plastic parts has been a part of our daily lives for over 70 years. For something that is so widely used there is limited understanding of how the plastics industry came into being and transformed our lives. The purpose of C&J’s blog is to share the history of plastics in a fun and informative way.


Glossary of Plastic Molding Terms

Plastic injection molding has its own unique language and terms. This practical guide lists many of the terms used in the injection molding industry. Becoming familiar with these terms will increase your understanding of the plastic injection molding industry.


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.


Injection Molding Resin Information

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


SPI Mold Specifications

If there is one area of great confusion in the Plastic Injection Molding industry, it’s identifying the various classifications of injection 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.