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Midstate Mold & Engineering

Precision Plastic Injection Molders

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Comparing Plastic Injection Molding and Thermoforming

A female technician inspecting plastic packages generated by thermoforming

Using plastics in a wide variety of industries provides strength, versatility, and cost-efficiency that is difficult to achieve with many other materials. However, determining the application for which you intend to use plastics can inform you of the manufacturing process you should pursue. In particular, two popular methods for manufacturing plastic parts – plastic injection molding and thermoforming – offer many unique advantages depending on the specifications required for your project. In this blog, we will compare the advantages of both so you can determine the best option for you.

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Guidelines to Follow When Designing Injection Molding Parts

A close-up of a hand using a computer mouse, blue prints, and a laptop showcasing a computer-aided design program.

Injection molding is the preferred method for producing high-quality plastic parts, but it’s a complex operation that requires extensive knowledge of the process and machinery. That’s why it’s important to consider various aspects of a part’s designs, as everything from the vendor’s qualifications and equipment and to the part’s angles and edges can influence the quality of the final product. The subsequent guidelines to follow when designing injection molding parts require more upfront work but will pay dividends in both mold design and part production.

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Antimicrobial and Antiviral Additives in Injection Molding

A close up of a Syringe Connected To Endotracheal Tube, depicting the benefits of antimicrobial and antiviral additives in injection molding

COVID-19 has been longer-lasting and more resistant to preventative measures than previously imagined. However, manufacturers and their clients now have a new tool to help in the fight against the epidemic and other harmful viruses and bacteria. Plastic injection molding has long been seen as an effective means for creating high production, quality parts for the medical field, and with the new method of including antimicrobial and antiviral additives in the plastics, it’s serving an even greater purpose.

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How You Can Source High-Quality Plastic Parts in the US

Shipping boxes stamped with a red "Made in USA' stamp

Regardless of the effects of the US-China trade war, sourcing parts locally has always been ideal for companies invested in quality and reliability. Plastic injection molding manufacturers based in the US are bound to stringent guidelines that ensure their products and team members are treated with the utmost care. However, before you enter a partnership with a domestic manufacturer, you should learn about the best ways to source high-quality plastic parts in the US.

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What Can Cause Discoloration in Plastic Injection Molding?

A gradient of different colored plastics arranged int he order of a rainbow on sand, used to signify discoloration in plastic injection molding.

Discoloration in injection molding is defined as a disparity in the original color of the plastic. This part defect can arise from a multitude of sources, such as overheating, contamination, or manufacturing error. This inconsistency in the part’s coloring is caused by thermal degradation, and depending on the severity, it can influence how noticeable this defect is. In order to avoid this complication, one must first understand what can cause discoloration in plastic injection molding.

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4 Things to Look for in Injection Molding Manufacturers

A quality control engineer looking for part deficiencies by using a microscope next to a injection molding machine

When you entrust your injection molding production to a manufacturer, you’re entering a partnership. Justifiably, you want your manufacturing vendor to consistently meet your expectations, provide timely output, and add value to your projects. However, if you’ve found yourself in a lopsided partnership that has eroded your confidence in them – through poor-quality part production, unfulfilled orders, or other unsavory activities – it’s time you seek a business elsewhere. But first, you need to know what to look for in injection molding manufacturers.

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