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Injection Molded Plastic

Sonolite Plastics Corporation manufactures all kinds of molded plastic products at our Massachusetts facility. We can help you with everything from the selection of plastic molding materials to the type of tooling required to best produce your plastic parts. We may even suggest other manufacturing processes (thermoforming, fabrication, etc.) that may better suit your needs.

What Is Injection Molding?

Injection molded plastics are created by using an injection molding machine (also called a press), where resins that are fed into an injection barrel are then heated to the appropriate melting temperature, and then forced into a metal mold. The mold is then cooled, allowing the plastic to harden before removing it.

Materials Used In Injection Molded Plastics

Typical materials for injection molded plastics include the following:

  • Polystyrene
  • ABS
  • Nylon
  • Polypropylene
  • Polyethylene
  • Polyvinyl Chloride (PVC)

Injection Molded Plastic Process

The process of creating your injection molded plastic parts may include the following:

  • Computer Aided Design (CAD) of components
  • Rapid Proto-typing
  • Design Adjustments
  • Mold design and machining
  • Manufacturing
  • Assembly
  • Quality-Control Testing

What types of plastic products do we mold? Everything from high-volume personal-care products to relatively low-volume plastic pump-housings. We've seen a lot in our 42 years...

 
We over-wrap and bag many products with our in-house packaging equipment Impellers, Sanding Blocks Game Pieces / Filter Casings
     
Bezels, Applicators Recreational/Marine Personal Care Products

Molded Products

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Thermoformed Products

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