Plastic Overmolding Process Guide You Must Know
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Plastic Overmolding Process Guide You Must Know

Publish Time: 2023-02-21     Origin: Site

Overmolding is the process of molding a part with two or more different materials. It’s one of the trending manufacturing methods in the plastic molding industry.

What Is Overmolding?

Overmolding is a plastic manufacturing process where two materials ( Plastic or Metal) are bonded together. The bonding is usually chemical bonding, but sometimes mechanical bonding is integrated with the chemical bonding. The primary material is called Substrate, and a secondary material is called Subsequent

What is Plastic Overmolding Process?


Overmolding is applied to various products and is a vital part of plastic processing. The first material in the process is often called a substrate.

Let’s take another example of a screw with a T -handle. A T-handle can be attached with additional screws, but a consumer would be much happier if it is already built-in on the screw.

To do that, the screw is attached to a mold directly, and T-handle is formed chemically or mechanically.

Overmolding alters the physical properties of any part depending on your prospective customer’s needs.

The material used for the overmold will play a vital role in deciding the functionality of the overmold. It can be hardened for increased durability and softened for enhanced grip.

Over Molding Case Study

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