When You Need Buffalo Plastic Injection Molding, Port Erie is Here for You

buffalo plastic injection molding

For over 70 years, Port Erie Plastics has been the chosen Buffalo plastic injection molding partner. With our extensive injection molding and structural foam molding capabilities and our nearby facilities in Harborcreek, Pennsylvania, we are able to understand all of your needs fully and get your products to you within short turnaround times.

When you choose Port Erie as your Buffalo plastic injection molding partner, one of our skilled plastic engineers will understand your needs, make sure you are using the right manufacturing method and the right materials, and make sure the process runs as smoothly as possible.

If you are ready to get started, contact our team today, or continue reading to learn more about our services.

What We Can Offer You

Custom and Automated Injection Molding

With our custom and automated injection molding processes, we can create parts ranging from 4 grams to 24 pounds. Our team specializes in large and complex projects, however, we are able to take on plastic injection molding projects of various sizes.

Structural Foam Molding and Extrusion

With Port Erie’s structural foam molding capabilities, we can produce parts that are up to 7 ½ feet long and with wall thicknesses ranging from 0.200 inches to 0.500 inches. If you need large products or parts, our structural foam molding services are for you.

Mold Design and Tooling Transfer

Create custom molds and tooling for your injection molding and structural foam molding projects with our in-house tool room. Whether you need single or multi-cavity molds, stack molds, hot runners, or CNC machining services, our team can help.

Secondary Operations

From assembly and decorating to warehousing and distribution, our secondary services allow us to see your project through from beginning to end. And, if you aren’t ready to ship right away, we can store your project for you until you are ready.


Whether you need help finding alternative resins or designing for manufacturability, our engineering team is here to make sure your entire manufacturing process runs as smoothly as possible.

When You Need Buffalo Plastic Injection Molding and Structural Foam Molding, Turn to Port Erie

If you are ready to get started, contact our team today.

Other Plastic Processing Capabilities

Plastic Process Type

Structural Foam

Typical Materials

PEX (Polyethylene Crosslink)

Structural Foam Wall Thickness

Over .25 in

Structural Foam Part Length

Up to 7.5 ft.

Structural Foam Part Width

Up to 5 ft.

Structural Foam Part Height

Up to 5 ft.

Structural Foam Part Weight

Up to 150 lbs.

Extrusion Diameter

.375 to 4 in

Extrusion Inspection and Testing

Crosslink testing
Oxidative induction time testing
Hot and cold burst testing
Hot and cold impact testing
100% in-line ultrasonic dimensional inspection
Laser mics

Structural Foam inspection

Large micrometers
Custom go/no-go gaging

Industry Standards

ISO 9000 Compliant
ASQ certified QA staff

File Formats

CAD Readers