Silicone Overmolding

Silicone overmolding is a manufacturing process where a layer of silicone rubber is molded onto an existing part, called a substrate, to create a composite component. This process combines the properties of both materials, enhancing durability, functionality, and aesthetics. 

Key Features of Silicone Overmolding

  • Strong Bonding – Allows silicone to be permanently bonded over substrates such as metal, plastic, or other rubber parts, creating integrated multi-material components.

  • Enhanced Product Design – Enables combining the softness and flexibility of silicone with the strength of rigid materials, improving ergonomics, sealing, and aesthetics.

  • Precision & Consistency – Overmolding uses controlled molding techniques (injection or transfer), ensuring tight dimensional tolerances and uniform product quality.

  • Durability & Resistance – Overmolded silicone parts offer excellent resistance to heat, cold, chemicals, and mechanical stress, ensuring long-term reliability.

  • Versatile Applications – Commonly used in medical devices, electronic components, automotive connectors, seals, grips, and consumer products where comfort and sealing are essential.

CDX’s Advantages in Silicone Overmolding

Expert Bonding Technology

We achieve strong, reliable adhesion of silicone to plastics, metals, and other substrates, ensuring products that last.

Design Flexibility

Our overmolding process combines soft-touch silicone with rigid components, enhancing comfort, sealing, and product aesthetics.

High Precision Manufacturing

With advanced molding equipment and over 20 years of expertise, CDX delivers parts with tight tolerances and consistent quality.

Durability for Demanding Applications

Our overmolded silicone products resist heat, chemicals, and wear, making them ideal for medical, automotive, electronics, and consumer industries.

Application of silicone overmolding

Silicone overmolding combines soft, flexible silicone with rigid substrates like plastic or metal, creating products that are durable, comfortable, and highly reliable. Thanks to its strong bonding and precise molding, it is widely used in medical devices, consumer goods, automotive parts, electronics, and industrial tools, where enhanced sealing, ergonomics, and protection are essential.

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