10 Dec 2019

Overmolding: A Beginners Guide

What is an Overmold?   Overmolding uses two or more different materials to create a single product. For example, overmolding can create a plastic toothbrush with a soft, comfortable handle. The central, usually harder piece, is called the substrate, while the outer material is known as the overmold material.   When creating an overmolded piece, […]

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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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19 Nov 2019
Plastic raw material in granules against the background of Chemical Laboratory and reagents

What Materials Are Used In Injection Molding?

Materials used in injection molding are plastics, specifically thermoplastics. There are hundreds of thermoplastics, but the most common thermoplastics used in injection molding are: Polypropylene Polyethylene Acrylonitrile Butadiene Styrene (ABS) These three thermoplastic materials are used all the time. They are cost-effective, durable, and can tolerate the stresses of constant use. You likely use products […]

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18 Sep 2019

Rex Plastics Customer Showcase – Polycarbonate Orange Screw

Rex Plastics Customer Showcase – Polycarbonate Orange Screw   Overview The Orange Screw is a heavy-duty ground anchor offered by a company sharing the same name, Orange Screw. It’s injection molded using recycled polycarbonate, which is a strong and impact-resistant polymer commonly used in electronic, automotive and construction applications. Rex Plastics has been the sole […]

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23 Sep 2019

What is CNC Machining?

What is a CNC Machine and How Does it Work?   CNC Machines are some of the most important tools used in modern manufacturing. They can perform an incredibly diverse range of tasks and are essential for product design. Because of the complexity of CNC machines, it can be easy to get lost when trying […]

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26 Aug 2019

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 […]

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30 Jun 2017

How Much Do Injection Molds Cost Part 2

The question is put to us almost daily: “I’ve got a part 4″ by 5″ by 2″, how much will the injection mold cost?” Unfortunately, there is a long list of factors that complicate that question. From expected product life to the type of plastic used, any one factor could greatly impact that final number. […]

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25 Jul 2019

How To Pick Injection Molding Companies

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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