Injection Molding Service

Injection Molding Service Found in 3Diligent's 3Depot Technology Library

If you're looking for a significant number of plastic, resin, or metal parts, 3Diligent has you covered with our injection molding service. Offering a range of material options, including polypropylene, nylon, polyetherimide, stainless steel, and a range of additional materials, we have the solution to meet the needs of your application. Moreover, our equipment is housed both domestically and abroad, allowing us to provide you the choice of a faster turnaround or (typically) a lower price.

Injection Molding Service Process Overview

3Diligent's injection molding service is one of the world's go-to fabrication methods for mass production. In brief, pellets of material are heated and then injected into a mold cavity, where the part hardens in the shape of the cavity. That part is then ejected to make space for more material to be injected.

Unlike urethane or metal casting, which require significant ongoing labor inputs, the cost for injection molding is largely front-loaded. Tooling for injection molds typically runs in the five figures, with certain highly complex tools costing upward of $100k, but this higher upfront cost comes with a significant per-unit discount. The variable cost of injection molding can sometimes go below $10 per part for certain geometries and materials. As a result, it is an outstanding technology for larger-scale manufacturing. Part runs in the hundreds of thousands or millions are possible.

3Diligent offers both domestic and overseas molding operations. If you have a particular need for domestic fabrication, please specify as much in the Additional Assurances section of a Request For Quote (RFQ) via the platform.

3Diligent Material Options

3Diligent offers a range of injection molding options. Among the many materials offered include ABS, silicone, polycarbonate (PC), polyurethane (PU), polyester (HDPE, and LDPE), nylon, polypropylene (PP), and many others. If you have a specific material in mind, please specify it in the Material Notes field of the Request For Quote (RFQ) form.

Beyond Injection Molding

In addition to injection molding, 3Diligent offers fabrication via other technologies such as 3D printing, CNC machining, urethane casting, and metal casting.

Plastic Injection Molding

Traditional molding involves the use of pelletized polymers which are heated in a barrel and injected into a mold cavity.


Metal Injection Molding

Metal injection molding starts with fine, powdered metal. These particles are filtered into a barrel cavity, along with a binder agent, that rotates and mixes the two agents into an injectable consistency.


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