Latest Posts


How to Fix and Prevent Injection Molding Defects

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Used in nearly every industry to make everything from plastic bottle caps to automotive door panels, injection molding is a truly versatile manufacturing process. Injection molding requires precise technique, and without the proper knowledge and experience, manufacturers risk diminishing product quality as a result of molding defects. Luckily, various precautions and corrective actions can be […]


How to Prevent Stress from Ruining Your Injection Molded Part

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Struggling to design a plastic injection molded part that meets all necessary specifications and is free of deformations and flaws? The problem is likely stress — or, more accurately, residual stress. When a plastic resin is melted down prior to injection, the molecular bonds of the material are temporarily broken due to the heat and […]


Decatur Mold Featured in US Business Executive

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US Business Executive, a platform for business leaders across the country has featured Decatur Mold in the latest fall issue. The issue focuses on leadership in the areas of general counsel, agriculture, technical education, and manufacturing. Decatur Mold fits well into the manufacturing category as a company that has provided 50 years of leading plastic […]


Decatur Mold’s Federal Firearms License Type 7

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The Federal Firearms License type 7 allows manufacturers to better serve, accommodate, and securely meet customer needs. Working within the military sector for many years, Decatur Mold is proud to announce that we have recently acquired our FFL certificate. What does the FFL Type 7 mean?  This license, issued by the U.S. Department of Justice, […]


3 Signs You’re Ready to Start Your Injection Molding Project

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With dozens of factors to consider before beginning an injection molding project, designing a successful part can be challenging. You understand your part and its application as well as its relation to other parts; you’ve carefully selected a resin; you’ve spent countless hours meticulously designing the part. But are you ready to begin the injection […]


Molding Tolerances Chart

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To most people, plastic is simply plastic, the material that makes up shopping bags and household products. Those in the commercial and industrial manufacturing fields, however, know that the field of plastics is expansive and diverse. There are thousands of different plastics, with more constantly being developed. When choosing the right type for your specific […]


Rapid Prototyping: Understanding the Basics

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Rapid prototyping is used to quickly produce a physical sample of a new design to test out form, fit, and function. To keep costs down, prototypes are typically made of less expensive materials than would be used for the final product in case several design test runs are required. The speed of this process helps […]


Customer Appreciation Days

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Through multiple economic recessions including the latest in 2008/9 and the resultant plastic tooling industry consolidations over the years, it is quite a feat now a days to be celebrating fifty years as a privately-held, independent, injection mold tool maker. Yet that is exactly what Decatur Mold Tool & Engineering is doing this year, celebrating […]


Amerimold 2016 – Decatur Mold booth #137

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Following up on a successful campaign of industry trade show appearances, Decatur Mold is very excited to announce that we will once again exhibit at the Amerimold 2016 show which is located this year in Novi, MI at the Suburban Collection Showplace this coming June 15 and 16 from 9am-3pm. With several customers already in this […]


Celebrating 50 Years in the Industry!

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We are celebrating over 50 Years in the industry! Even through changes in technology, since 1966 Decatur Mold’s commitment to the customer, Our Quality, and Our Employees have not changed.