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Welcome to Proto-Cast

Proto-Cast, LLC, backed by over 50 years of experience, is a custom design injection molder and mold fabricator located in Douglassville, PA. Our one stop shop for designing and building molds, maintaining and running molds, and various secondary operations needed ensures customers are receiving the time and attention needed to get the best quality parts. Learn More

Frequently Asked Questions

What information is needed to quote on a project?

Part prints or CAD files are the first steps. Specifics include resin required, annual part quantity and any required secondary operations.

How long does it take to build an injection mold and what is the typical costs?

At Proto-Cast, LLC we build your injection molds in house. Part complexity is a big factor in the lead time and mold cost. Typical mold build time is four to eight weeks, depending on the complexity of the part and number of cavities.

What plastic resin material should I use for my project?

Material is application specific. If no material has been selected, we can offer guidance. Proto-Cast, LLC molds most engineering grade resins.

How do I know if Injection Molding is the right process for my product?

Injection Molding insures consistency. The geometry of the part along with the amount of parts needed will help determine if injection molding is the best process. Protocast LLC will help you determine this