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Midstate Mold & Engineering

Precision Plastic Injection Molders

plastic injection molding

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Traits of a Good Sustainability Partner in Injection Molding

Increasingly around the world – especially in the west and the United States in particular – is a push from consumers, employees, and regulatory agencies to increase sustainability in companies. From green power and carbon offsets to making greener products, it’s something everyone is searching for – especially when working with plastic injection molded parts. Learn what to look for when finding your sustainability partner in injection molding, including how being more sustainable comes in many shapes and forms.

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How to Prevent Sink Marks in Plastic Injection Molding

Close-up of an plastic injection molding machine.

The goal of every plastic injection mold and parts manufacturer is to have each mold and part come out without issue or defect. However, like with all manufacturing processes, these flaws can be introduced due to a myriad of situations. Today, we’re looking at a common issue with plastic injection molding known as sink marks – or sometimes just “sinks” – that often can show underlying issues with the mold and polymers of the product. In this blog, we’re going to review the sink defect, its causes and solutions, and how to avoid it in the first place.

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Top 3 Industries That Best Utilize Plastic Injection Molding

Truck being loaded by a forklift at a cargo dock.

Plastic injection molding touches on a wide array of industries – after all, if you have a need for polymer parts for your projects and customers, injection molding is one of the best options. However, there are certain industries that have special requirements and, when partnered with the right manufacturer, can best utilize plastic injection molding to not only meet the requirements of their industry but exceed them – especially important in an era of logistical shortages.

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Thermoplastic Highlight: Polypropylene in Plastic Injection Molding

A close-up of a plumbers hands installing red and blue insulated polypropylene pipes.

Plastic injection molding offers a wide variety of resins providing all sorts of unique characteristics. But polypropylene is one of the most popular material choices for businesses looking to create tough and flexible parts. The customizability, easy processing traits, and affordability of this plastic allow it to be used in many diverse applications. If you’re wondering whether you should consider this material for your next project, we’re here to help by providing the benefits, types, and applications of polypropylene in plastic injection molding.

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Quick Response Manufacturing: QRM in Plastic Injection Molding

A close-up shot of a stopwatch meant to signify quick response manufacturing in plastic injection molding.

The increasingly competitive global workforce has challenged every industry. However, with new advancements in automation, machinery, and material handling, along with the innovative process known as Quick Response Manufacturing (QRM), plastic injection molders in the United States have been able to match overseas pricing. Not only that, but local manufacturers are even outpacing the competition in part design, execution, and lead times. Let’s discuss how manufacturers are exceeding their customers’ expectations by integrating QRM in plastic injection molding.

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The Top Impact-Resistant Thermoplastics for Injection Molding

A large parasol in a park made of an impact-resistant thermoplastic called polycarbonate.

Many plastic parts – such as construction materials, outdoor equipment, and prosthetics – must withstand high, repetitious impact and bear significant loads of force. Not using a material that has proven toughness can run the risk of your part breaking, resulting in severe or sometimes life-threatening consequences. Choosing an impact-resistant polymer means finding the right balance between toughness and pliability. We’re here to help you by highlighting the top-impact resistant thermoplastic for injection molding. 

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