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 […]

READ MORE
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 […]

READ MORE
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 […]

READ MORE
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 […]

READ MORE
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 […]

READ MORE
20 Dec 2021
close-up of small, blue plastic parts

Low-Volume Injection Molding: What You Need to Know

Low-volume injection molding is the best option if you are looking to make parts in quantities of 100,000 or fewer. It’s used for mass-producing identical parts before committing to a long-term molding setup, whereas other parts may never need to be produced in higher volumes. This form of molding is one of the most common […]

READ MORE
20 Jun 2021
Prototype made out of metal.

How To Create The Perfect Plastic Prototype

Manufacturing plastic prototype – 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 see and test a product before it goes to production. From consumer goods to industrial, every field across every industry benefits from […]

READ MORE
11 Oct 2021
close-up of small, blue plastic parts

Plastic Parts: An Intro to Manufacturing

Injection-molded plastic parts   Injection molding can create parts used in all sorts of projects and industries. From cars to computers, motorcycles to models, plastic injection molding is how modern products get made. In fact, plastic parts made with injection molding surround each of us every day. Plastic parts are so appealing to businesses because […]

READ MORE
16 Aug 2021

How to Mass Produce a Product | The Ultimate Guide 

What are some examples of mass production?    Mass production is what takes a garage invention and puts it on shelves around the world. It is the process by which products are replicated at scale. It allows you to turn a dream into a business and a passion into a successful product. Almost everything you […]

READ MORE
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 […]

READ MORE