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Midstate Mold & Engineering

Precision Plastic Injection Molders

Polycarbonate

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Popular Resin Combinations for Plastic Injection Molding

Red and blue polymer resin in sample test tubes.

One of the major strengths of polymer resins in injection molding is the staggering array of plastics to choose from in the use of your part molds. There are plastics that are flexible, rigid, transparent, heat-resistant, strong, and other characteristics. Today we’re talking about another exciting feature: they are also combinable. Much like with metals, polymers can be combined to make new blended plastics with both or new strengths. Let’s go over three of the most popular resin combinations for plastic injection molding and where to go from there.

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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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Thermoplastic Highlight: Polycarbonate for Injection Molding

Polycarbonate safety goggles, a yellow hard hat, and white cloth gloves on top of a wooden surface.

Plastic injection molding has the benefits of working with many different thermoplastics, each with its own unique characteristics. One of the most common types used in the industry is polycarbonate. You might have heard this plastic used in discussions about transparent roofing or in ads about luggage, headlights, and goggles. In products like these, the features of this transparent and resilient thermoplastic cannot be understated. Let’s discuss the details of polycarbonate for injection molding and whether it’s the right material for your next project.

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Tips for Better Plastic Injection Molding Parts for the Medical Industry

A hospital room with an MRI machine and several other machines composed of white plastics.

Injection molding manufacturers adhere to very high standards of quality, especially when it comes to producing parts for the medical industry. The plastic components created for medical devices directly impact the health and safety of users and patients alike, so material quality, traceability, and precision are vital areas of focus. To ensure these parts meet the exact specifications and tolerances required of them, manufacturers have to carefully consider several factors during the design phase. Let’s look at some of these tips to achieve better plastic injection molding parts for the medical industry.

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The Benefits of Engineering-Grade Resins in Plastic Injection Molding

A gloved hand holding a screw driver next to plastic electrical housing make with engineering-grade resins.

Mainstream polymers are versatile enough to perform a large number of applications. Still, sometimes custom or specially built molded parts – such as for medical and public safety industries – have requirements that some commodity plastics just can’t meet. If a part needs to stand up to harsh conditions such as chemicals and fire, often engineering-grade plastics are the most viable solution. To understand how the application of these special plastics can minimize failure risk and achieve unique specifications, let’s review engineering-grade resins in plastic injection molding.

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The Benefits of Plastic Parts in the Automotive Industry

A close-up of the rear of a blue car depicting a plastic plate surrounding the exhaust pipe.

We’ve come a long way since the Model T, transitioning away from heavy metal beams and brackets to lightweight yet durable plastics. Today, plastic parts support a wide variety of car functions, from the pedal and seat components to the powertrain and fuel system. There are several benefits to using plastics in car manufacturing, and skilled injection molders are well-versed in matching the right polymers to a car part’s performance needs. To discover just how useful this material can be, let’s review the benefits of plastic parts in the automotive industry.

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