Plastic Injection Molding

Injected Molded Plastic

When you need custom parts for unique applications, injection molded plastic solutions from North Coast Seal might be your answer. When you have a complex shape, a need for higher tolerances, a complex undercut, or need a variety of shapes, our injection molded rubber solutions are the key low-cost options for your complex part needs. The team at NCS specializes in delivering high-quality plastic parts on time and accurately to help you and your team keep your project moving smoothly and on schedule. Precision. Quality. Customer service. These are the cornerstones of our custom molding process.

The NCS Injection Molding Process

The North Coast Seal process for ordering custom injection molded plastic parts revolves around one concept: simplicity. We are the experts, and all we need from you is some initial guidance and consultation, and we’ll handle the rest.

Here’s how it works:

  1. You email us your 3D CAD file to get a mold/NRSUC and part quote.
  2. Upon order confirmation, NCS starts the mold and part order process.
  3. NCS performs a tooling review of the documents you send in.
  4. Upon review approval, your injection mold/NRSUC begins.
  5. You examine our samples for approval.
  6. Part production begins, and you are on your way.

We are here to make this process painless. You can’t get the job done without your parts, and our job is to get them there as fast as we can while delivering the highest quality!

Why Go with Custom Injection Molding from NCS?

Custom injection molding from North Coast Seal provides some unique features and advantages that you just can’t get from standard orders.

Custom injection molding with North Coast Seal provides:

✔ Low Mold Cost
✔ Insert Molding & Over Molding
✔ Simple or Complex Shapes
✔ Internal / External Threads
✔ Tight Tolerances
✔ Complex Undercuts
✔ Intricate and Delicate Parts
✔ Multi-Piece Assemblies
✔ Variety of Moldable Materials
✔ Custom Colors

Do you think you’ve got a project that might benefit from custom injection molding from NCS? Contact us today, and let’s talk about your project!


Because custom injection molding offers so many dynamic options, it has applications in a variety of industries. It lends itself to potable liquids and foodservice projects, but it can also provide high tolerances and intricate cuts, making it a great solution for many needs in manufacturing auto parts, biotech parts, and more.

Here are some of the features supported with custom injection molding from North Coast Seal:

✔ Automotive
✔ Biotechnology and pharmaceutical
✔ Electrical and construction
✔ Food and medical

✔ Hydraulic repair
✔ Petrochemical
✔ Semiconductor

Quadrant Materials

Part of the flexibility offered by injection modeling stems from the variety of materials that can be used in the process. Whether you need a synthetic compound with high tolerances, like one of our great Duratron® or Ketron® offerings, or a more familiar material like nylon or PVC, our experts will work with you to find the perfect material for your product.

We offer injection molded options from materials like:

Duratron® PAI
Duratron® PBI
Duratron® PEI
Duratron® PI
✔ Ertalyte® Pet-P
✔ Fluorosint®
✔ Ketron® Peek

✔ Nylatron®
✔ Nylon
✔ Proteus®
✔ Quadrant® PPSU
✔ Quadrant® PC 1000
✔ Semitron®
✔ Techtron® PPS
✔ Tivar®

Get in Touch with Us

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