You understand injection molding – but what about the purpose and value of overmolding? Overmolding is a secondary injection molding process that delivers improved product performance, worker safety, and aesthetic appeal. To help you understand its suitability for your application, we've created Overmolding Fundamentals, a simple guide that explores the manufacturing cost, production and assembly efficiencies of using overmolding, and offers expert insight into key areas, including:

  • Types of overmolding
  • Importance of material selection
  • Design customization
  • Prototyping

Sneak Peek Inside the Overmolding Guide:

Overmolding is an injection molding process that provides more choice for improved performance and appealing design. It has become increasingly popular across a wide range of manufacturing industries, from consumer products that require a soft touch or stylish look to medical devices that require protection in the field and easily identifiable features.

Not only does overmolding improve product performance, ergonomics, worker safety and aesthetic appearance, it reduces overall manufacturing cost. Key overmolding markets include health and wellness, sports exercise equipment, electronics, tools and personal care products.

The unique process of overmolding results in the seamless combination of multiple materials into a single part or product—most typically a rigid, plastic base component that is overlain by a thin, pliable, rubber-like thermoplastic elastomer (TPE) exterior layer (some applications can also utilize rigid materials that are overmolded to rigid substrates).

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