Plastic Molding Services >> Injection Molding

Custom Plastic Injection Molding

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Ultem Molded Parts

Very intricate PEI molding

Two station vertical insert molding

ABS moldings


Stack Plastics specializes in custom plastic injection molding (or "moulding"). Injection molding is an efficient and cost-effective way to produce plastic parts in high volumes; with our precision injection molding capabilities, we can create thousands or millions of identical parts. From simple to complex designs for parts between 0.01 g and 10 oz., we deliver precision injection molding to match your unique specifications.

Innovative Injection Moulding Techniques

While the basic process of plastic injection moulding is relatively simple, involving only a handful of key elements, mastering the process at the level that Stack Plastics has is considerably more difficult. We think of our specific methods as "scientific molding"—we experiment with different variables and collect data that helps us optimize our injection molding processes. This helps us achieve maximum efficiency, provide superior quality plastic injection molded parts, and maintain perfect repeatability for parts in quantities in the millions.

To tackle your most complex projects, we provide an array of specialized plastic molding techniques. Our custom injection molding capabilities including:

Design & Engineering Expertise for Your Injection Molding Project

With more than 20 years’ experience in plastic injection molding, we know what works and what doesn’t. We can provide design and engineering advice, as needed, to help make manufacturing our customers’ products faster, more efficient, and less expensive. We can review your design and advise certain changes that will allow us to produce your plastic injection molded parts or components more efficiently, more quickly, and with better quality, without sacrificing performance.

If no such changes are possible, Stack Plastics can add more levels to our quality inspection processes, to ensure that your injection molded parts will meet our high standards for quality, and yours.

The Injection Molding Material for Your Application

We work with a wide variety of thermoplastic polymers, elastomers, and resins to create the perfect injection molded parts for your needs. Our expertise with standard specialized materials and exotic resins enables us to produce plastic injection molded parts and components to match the precise specifications of any project. The injection molding plastics we work with most often include, among many others:

Contact Us for Custom Plastic Injection Molding

Stack Plastics are the injection molding experts. Request a quote to get started on your custom plastic molding project, or contact us to learn more about our injection molding capabilities.