12 Aug 2024
Many pins puncture a blue, minimalist map of North America. The United States is the main focus.

The decision of where to source your injection molds is crucial, impacting not only your production costs but also the quality and reliability of your products. Rex Plastics, a USA-based injection molding company, offers numerous advantages that make it the optimal choice over offshore suppliers.   Chinese Molds vs U.S. Molds When comparing Chinese molds […]

10 Jun 2024
A CNC machine is milling away at a piece of metal, sending sparks flying in all directions. This machining process is more precise than others, such as 3D printing.

In the world of manufacturing, two prominent techniques stand out: 3D printing and CNC machining. Both offer unique advantages and are suited for different applications. Understanding the distinctions between these methods is crucial for making an informed decision for your project. Let’s showcase the specifics to help you determine the best approach for your needs. […]

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

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 […]

11 Mar 2024
A close up of a blue zipper that's closed. The zipper is made of polyamide, also known as nylon.

Polyamide is a versatile and widely used material in various industries, including injection molding. This blog will explore the different types of polyamides, their applications, and why they are an excellent choice for your next injection molding project.   What is polyamide? Polyamide, commonly known as nylon, is a synthetic polymer. It’s characterized by its […]

12 Feb 2024
The mold cavity for creating future plastic parts. This metal mold was made through a process called injection mold tooling.

Injection mold tooling is a critical component in the production of high-volume, complex plastic parts. While the cost of tooling can be significant, understanding the intricacies of the process and the factors influencing costs can help businesses make informed decisions. In this blog, we will show you the details of injection mold tooling, its processes, […]

08 Jan 2024
A blue stylized graph showing rising trends throughout the year

2024 Trends Emerging in Plastic Injection Molding The plastic injection molding industry is poised for continued growth and innovation. So as we navigate through the intricacies of this dynamic landscape, it’s crucial to stay abreast of the industry’s 2024 trends. Let’s delve into the key driving forces behind the injection molding trends anticipated to dominate […]

15 Nov 2023

Plastic prototyping is a common practice for plastic manufacturers. It is important to understand what it is and why it matters. What is plastic prototyping? Plastic prototyping is a crucial stage in product development where a plastics manufacturer creates a preliminary version of a product using plastic materials. This process allows for testing and validating […]

21 Jul 2023
3d printer printing two small red rapid plastic prototypes

Injection molding parameters are not something you would be expected to know about unless you worked in injection molding. But when preparing a machine, an injection molding parameters sheet must be closely followed to avoid bad parts or damage to machines.  What are injection molding parameters? Parameters are guidelines or rules, so for an injection […]

Many colored plugs, screws, valves, fittings, pipes, plastic adapters.

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 […]