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Midstate Mold & Engineering

Precision Plastic Injection Molders

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Is Your Manufacturer Providing Plastic Injection Mold Care?

3D model of a plastic injection mold/plastic injection tool.

While for many engineers, planning and building their devices is the most exciting part of the process, it isn’t the last. Making sure those devices are properly used and maintained is key to ensuring they function for as long as possible. So, after you’ve spent so much time and money on an injection mold, you need to exercise care over who uses that mold to manufacture parts. And care is the right word—injection mold care—as proper maintenance and storage will make sure your mold lasts longer and makes more parts, defect free.

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The Difference Between Normal and Medical Plastic Injection Molded Parts

Medical devices with blurred background in hospital.

We’re proud to be a mold maker and plastic parts manufacturer with many clients from the medical market. For those outside or just starting in the medical industry, it can be surprising how different and rigorous the demands and tolerances for medical plastic injection molded parts is vs. their commercial industry counterparts. Today, we’d like to look at three major places—plastics, QA, and traceability—these parts need to excel at to meet the requirements of the medical industry and patient use.

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Making the Switch to Plastic Injection Molded Parts

Plastic injection molding machine at work at an expo.

Whether you’ve always used parts manufactured from other materials or are just exploring your options, you might be surprised by what modern plastics can do. From having the strength and rigidity of metals to the transparency and chemical resistance of glass, modern-day plastics can be used to replace other materials in your parts, with added bonuses such as less weight and complexity and lower cost. Interested in making the switch to plastic injection molded parts? Let’s go over everything you need to know.

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Resin, Polymer, and Plastic: What Difference Do These Terms Have?

Hands holding green resin pellets above a bag filled with more.

If you’re looking at plastic manufacturing, you’re going to see these three terms a lot: resin, polymer, and plastic. Sometimes they are used seemingly interchangeably, and other times seem to refer to specific kinds of feedstock or products. Today, we’re going to demystify the difference between these terms as well as give you some useful starting places if you’re just getting into plastic use in the injection molding industry.

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Causes and Prevention of Burn Mark Defects in Plastic Injection Molding

Close-up of a 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 the plastic injection molding defect known as burn mark defects—what they are, what causes them, and how your injection molder can help avoid it in the first place.

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The Importance of Properly Dried Polymer Resin in Manufacturing

An often-overlooked part of the plastic injection molding parts manufacturing process, the use of a resin dryer is a key part of producing quality parts, every time. Today we’re going to look at how properly dried polymer resin in manufacturing can be such a big deal, how dryers fit into a larger plastic injection molding QA program, and how not all dryers are created equal.

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