16 Aug 2021
Three plastic cases rest on top of a stack of more plastic cases

How to Mass Produce a Product | The Ultimate Guide 

Understanding Mass Production Mass production is the backbone of modern manufacturing, enabling companies to produce large quantities of products efficiently and cost-effectively. This production method involves the use of standardized processes and assembly line techniques to create identical items on a large scale. By using mass production systems, manufacturers can meet high demand, reduce labor […]

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07 Jul 2021
white rapid prototype ball

How to create the perfect plastic prototype

Manufacturing plastic prototypes – where to start The first step in every product’s life is prototyping. Whether it’s a brand new idea or an improvement on an old design, prototyping allows designers to test products before going to production. From consumer goods to industrial, every field across every industry benefits from the ease and affordability […]

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10 Feb 2025
Gray POM plastic car gears nestled among white plastic nurdles.

Everything You Need to Know About Polyoxymethylene (POM)

Polyoxymethylene (POM), commonly known as acetal plastic or acetal resin, is an engineering thermoplastic widely recognized for its superior mechanical properties, dimensional stability, and resistance to moisture and chemicals. In this blog, we’ll explore the defining characteristics of POM, its advantages in injection molding, how it compares to acetal resin, and the diverse applications that […]

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11 Nov 2024
A 3D model for an AI design floats in an artist's rendition of an internet ether.

Can AI Designs Be Used For Injection Molding?

In recent years, Artificial Intelligence (AI) has become a transformative force in various industries, including manufacturing. With the advent of AI design capabilities, like AI 3D printing, the question arises: can AI-generated designs be effectively used in injection molding? As the technology evolves, it’s clear that AI is making significant strides in the field of […]

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14 Oct 2024
A pair of clear, acrylic safety glasses rests folded on a blue background.

Guidelines for Acrylic Injection Molding Designs

Acrylic injection molding is a popular method for creating durable, transparent, and lightweight parts. Its versatility and resilience make it an excellent choice for various applications, from automotive components to consumer electronics. In this guide, we’ll explore why acrylic is a top choice for injection molding, how to design parts effectively, and whether acrylic injection […]

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08 Jul 2024
A twenty dollar bill slithers through two metal gears. The number 20 on this US dollar is clearly visible.

How Do You Scale Up To Production Cost Effectively?

Scaling up to production cost efficiently involves optimizing processes and minimizing costs without compromising quality. By carefully planning each step and leveraging the right resources, you can achieve a seamless transition from prototype to full-scale injection molding production.   Is injection molding expensive? Injection molding can be perceived as expensive due to the initial costs […]

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15 Apr 2024
Three cutting boards made of high-density polyethylene lay side-by-side on a countertop.

Polyethylene vs Polypropylene: What Are They & Why Use Them?

Polyethylene (PE) and polypropylene (PP) are both thermoplastic polymers, each possessing distinct properties and applications. When comparing polypropylene to polyethylene, it is crucial to recognize that they serve different purposes and are not always interchangeable. Polyethylene is derived from the polymerization of ethylene, while polypropylene results from the polymerization of propylene. Understanding these differences is […]

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16 Oct 2023
plastic injection molding parts on a table

5 Ways To Select A Plastics Manufacturer For Your Project

When you need plastic parts for your product, you want a plastics manufacturer that is reliable, affordable and produces good-quality parts. There may be a lot of options, so it is important to narrow down the field with the right criteria. What is a plastics manufacturer, and what do they do? A plastics manufacturer is […]

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30 Jun 2023
Many colored plugs, screws, valves, fittings, pipes, plastic adapters.

How to Reduce Flash in Injection Molding

When making injection molded plastic parts, there are many things that can go wrong. It’s vital to tune injection molding machines and molds for parts to the right specification to prevent such errors. At Rex Plastics, we understand the importance in producing the highest rate of quality parts that we can. Minimizing rejected parts saves […]

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25 Jul 2022

What is Parting Line in Injection Molding?

What is the Parting Line in Injection Molding?  An injection molding parting line is visible on all injection molded plastic parts. The two halves of a mold create a parting line between them when they clamp shut. While molds need to seal completely during the process, a thin visible line can always still be found […]

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