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We dont just make plastic parts. We provide




Rimnetics is North Americas premier reaction injection molding company for structural parts and enclosures, encapsulation and overmolding

For more than 30 years, Rimnetics has offered reaction injection molding services to the medical device, laboratory equipment, electronics, IT, construction, marine, and defense industries.

You can draw from our vast experience in RIM molding, RIM design, and tool making to make your project a success story at the lowest possible price.

We have done it hundreds of times before. Our reaction injection molding company provides you with more than molded parts. We provide molded solutions.


Reaction Injection Molding (RIM) is the process by which molded polyurethane parts are made. In the process, 2 liquid components are mixed and injected into the mold where they chemically react and cure.

Polyurethane molded parts can be rigid and solid like an injection molded ABS or they can be a structural foam or elastomeric like rubber. Rimnetics is a reaction injection molding company with decades of experience improving polyurethane injection molding services.


Reaction Injection Molding (RIM) provides structural ‘one-piece’ solutions for your enclosures and structural parts.


Encapsulation and Overmolding with RIM for integrated composite solutions.


Learn how a clever RIM design can make the most of your industrial design, functionality and budget.