What is Overmolding?
Overmolding is a two-shot plastic injection molding process that creates a single part by combining two different but complimentary thermoplastic materials.
The first shot, the substrate, is usually composed of more rigid plastic and is designed to accept the second shot, called the overmold. The overmold is typically composed of a softer, more flexible plastic-like rubber.
By mechanically or chemically bonding two plastic materials, the overmolding process can help product designers achieve additional functionality or aesthetics that would otherwise not be practical.
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Applications of Overmolding
The injection overmolding process is compatible with a wide variety of materials, ranging from plastics to metals. This process helps produce custom prototypes and production parts for various applications depending on your requirements. Several industries find valuable uses for overmolding services.
Surgical Instruments
Overmolding meets the precision and safety requirements of the medical industry. The ability to combine plastics and metal materials ensures the efficient creation of surgical devices, equipment housing, catheters, syringes, and more.
Hardware tool
The functional advantages of overmolding make it an outstanding process for making pliers, screwdrivers, hammers, wrenches, pocket knives, and more. The process improves the grip of these tools, making their application more efficient.
Electrical Applications
Using thermoplastic elastomer as an overmold material makes the process useful for electrical components. Custom-made overmolded parts, like electrical outlet covers, gaskets, etc., are made to withstand harsh conditions, making them last longer.
Household Items
The overmolding technique generally improves functional performance like grip, cleanliness, and ease of use. It also enhances vibration dampening, chemical resistance, and more. This makes them useful for household items like kitchen utensils, toothbrushes, pens, shampoo bottles, etc.
Our Overmolding Capabilities
Chenvix custom overmolding services ensure the creation of plastic parts that look and perform better. Our production line consists of an overmolding injection molding process that allows us to combine several different materials into one, ensuring you get superior-quality products.
Overmold Molding Parts Sample
Chenvix design team can take your project from concept to design by supporting customers’ designs for manufacturability and mold flow analysis.
