15 Jan 2019
A 3D triangle, cylinder, and square on a sheet of grid paper.

Do I Modify My Injection Molded Part or Make a New Mold?

You’re not alone. At any given moment, somewhere in the world, someone struggles with the same plastic injection molding challenge: There is a part on a plastic injection mold that you need to modify, but you don’t want to buy a new one. Our advice to anyone facing this situation is don’t reinvent the wheel—especially […]

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25 Nov 2019

Is 3D printing cheaper than injection molding?

Is 3D printing cheaper than injection molding?   Injection molding is cheaper than 3D printing if you produce more than 100 parts. While the cost per unit using 3D printing stays relatively unchanged, the price for injection molding becomes dramatically better the more pieces you manufacture with your mold. There are, however, many factors that […]

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25 Jul 2019
A pile of colorful geometric cubes

How To Pick A Plastic Injection Molding Company

We are blessed to be living in the age of information. Whether it’s historical publications, how-to videos, scientific data, conspiracy theories, or suppliers for a product you’re looking for, most people in America have it all at their fingertips. Unfortunately, this can also be a curse and create “decision constipation” for some. So, the question […]

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09 May 2019
plastic parts made from plastic injection molding

A Rookie’s Guide to Plastic Injection Molding

From toy LEGO blocks to space shuttle turbine blades, plastic injection molding touches our lives every day. But what is plastic injection molding? Why is it so popular? And is the process right for your manufacturing needs?   What is injection molding? Injection molding is a common manufacturing process for producing large volumes of parts […]

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02 Oct 2013

Custom Plastic Products’ Role in Our Nation’s Recovery

Custom plastic products are an integral part of this Country’s economic development and recovery. There is no more versatile material on the planet for use in electronics, medical, automotive, defense, consumer products, toys, and the list goes on. The inventors and entrepreneurs this country generates are well served by considering plastics for a broad range of applications.

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27 Dec 2018
A myriad of medical devices and equipment placed on a table.

Medical Injection Molding: Plastic Injection In The Medical Industry

We have five decades of experience but are always looking for new and revolutionary ways for businesses to better utilize their products. For Rex Plastics, one example of this is the medical industry’s use of plastic injection molding. The accuracy of injection molding plays a critical role in achieving high precision and reliability in medical […]

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26 Aug 2019
Horizontal color image of molding machine part.

An Introduction to Hot Runner Systems in Injection Molding

Since its inception in the 1960s, to its acceptance in the 1990s, the hot runner system has challenged tradition across the plastic injection molding business. With their increased cycle speed and decreased waste, hot runners are an attractive solution to many looking to diversify their injection molding process.   What is a hot runner injection […]

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10 Dec 2024
A closeup of white, plastic foam soundproofing material.

Plastic Foaming: What Is It & Is It More Economical?

As the demand for lighter, more durable, and cost-effective materials continues to grow, plastic foaming has emerged as a promising solution in the world of injection molding. But what exactly is foam injection molding, and how does it compare to traditional methods? Let’s dive into the details of this innovative process and explore its benefits. […]

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