Overmolding is a specialized injection molding process used to create multi-material parts. An overmolded part is created by molding one material, such as a plastic substrate, and then molding another material over it to create a finished product with enhanced performance properties.

Overmolded products have many advantages over single-material parts, including improved functionality, durability, and aesthetics. They can also reduce the need for assembly, since multiple components can be molded together in a single operation.

The overmold process requires the use of a specialized overmold tool, which is designed to fit the substrate and the overmold material together to create the desired shape. Overmold tools are typically made from high-quality steel or aluminum and are designed to withstand the high pressures and temperatures of the injection molding process.

The overmolding process can be used with a wide range of materials, including plastics, rubbers, and metals. The materials used for overmolding must be compatible, which requires careful selection and testing.

Overmolding is used in a variety of industries, including automotive, medical, consumer products, and electronics. Applications include handles, grips, seals, and housings. The overmolding process allows for the creation of complex shapes and intricate designs that would be difficult or impossible to achieve with single-material parts.

In summary, overmolding is a specialized injection molding process used to create multi-material parts with enhanced performance properties. It requires the use of a specialized tool and careful selection of materials to ensure compatibility. Overmolding is used in a wide range of industries and applications to create complex shapes and improve functionality and aesthetics.