Overmolding Companies

IQS Directory provides a comprehensive list of overmolding companies. Use our website to review and source top overmolding companies with roll over ads and detailed product descriptions. Find overmolding companies that can provide you with top of the line overmolding services to your company's specifications. Then contact the overmolding companies through our quick and easy request for quote form. Website links, company profile, locations, phone, product videos and product information is provided for each company. Access customer reviews and keep up to date with product news articles. Whether you are looking for injection molded parts or prototype injection molding and rapid injection molding services, this is the resource for you.

  • Cleveland, OH 440-238-3009

    You won’t find a better quality overmolding company anywhere else in the industry. We have built ourselves up from a small manufacturing company to a large company with decades of experience. We can provide effective, efficient, and affordable solutions that will help you meet your goals and get the job done right. Contact us to learn more today!

  • Holland, OH 419-867-3900

    In business since 2003, ICOMold has gained a reputation as a leader in low-cost, high-quality overmolding. Headquartered in Holland, Ohio, we serve many industries and provide injection molded plastics to customers around the globe. Our online quote system provides fast quotes for your injection molded plastics projects.

  • Shelby Township, MI 248-275-1978

    For the past 30 years, it has been the goal of MSI Mold to provide our customers with products of the highest quality and consistency. Our facility features stat-of-the-art injection molding equipment that can create complex shapes with high repeatability, as well as many aesthetic options such as decorative metal plating. To learn more, our representatives will be happy to assist you!

  • Stuart, FL 772-286-9278

    We may have started small, but today, we offer our products and services to companies around the world. We are dedicated to our customers, and our goal is to offer better service and pricing to any customer no matter the size. We use the latest technology in overmolding to meet your needs. It is our goal to find the right solutions at the right price. Contact us for details!

  • Riverside, CA 951-509-6918

    Call Molded Devices for a fast, competitive quote on custom vinyl Plastisol dip molding & coating services, from prototypes to low or high volumes. A wide range of standard & proprietary caps, covers & containers plus custom components for all your needs. One-stop for design consult, quick prototyping, custom formulations & secondary operations! ISO 9001:2008 certified with 30+ years’ experience.

  • Riverside, CA 951-354-0258

    Founded in 1984, Hi-Rel Plastics & Molding, Inc. offers overmolding for a variety of industries. Our Value-added services include label application, assembly services, and custom packaging and shipping services. Our designers and engineers have the technical and practical knowledge as well as problem-solving expertise to develop the perfect solution for your requirements. Our company is ISO 9001:2015, AS 9100 Rev D, 13485:2016 Certified.

  • Minneapolis, MN 866-900-2385

    A leader in custom plastic overmolding, Diversified Plastics, Inc. (DPI) partners with customers to provide overmolded plastic parts that reduce labor and assembly costs while improving the quality, reliability and integrity of the end product. Overmolded plastic parts offer an advantage in a range of applications, including medical devices and instruments, industrial parts, components with handles and more. Proper mold design, construction and material selection are important in maintaining part tolerances and reliability of custom plastic overmolded components.

  • Mountain, WI 715-276-4200

    Nicolet Plastics is an injection molder that specializes in molding of complex parts from our two world-class facilities in Mountain, WI and Jackson, WI. We service our customers by offering solutions to all your molding needs including Carbon 3D printing and post molding / assembly. Our Mountain plant focuses on low to medium runs while our Jackson plant focuses on medium to high volume work. For over 30 years, we have achieved steady growth due to our fast, flexible team and customer service.

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businessIndustry Information


Overmolding is a process that is very similar to the standard injection molding process except for the fact that it combines two materials. The process is actually performed twice, making it a great option for applications where durability and reliability are required. Overmolded products are typically much stronger and more durable than standard injection molded components. Overmolding yields products such as pushbuttons or keys that receive a lot of use and need to withstand this heavy use while staying legible. This is why the markings on the keys are made through an overmolding process as opposed to a standard injection molding process or any other type of process.

Because the overmolding process is basically the standard injection molding process done twice, the margin for error is much smaller. First, the base material is injected into the mold to form the basic shape of the final product. This mold leaves space for the second injection of the second material. Once the second material is injected into the mold, the two materials harden and form the final product. Any error that is made in either of these processes results in having to redo the entire process. Overall, the overmolding process is used to layer materials on a product to provide strength, durability, or simply an aesthetic advantage. Overmolding, just like injection molding, is all based on the customers’ needs, requirements and specifications, as custom made products are easily made and design in the mold designing phase. Injection molding processes, as a whole, are incredibly popular since products can be mass produced easily and affordably.

It all starts with knowing and understanding your application and what you want from your overmolding product. Some applications may not require a great deal of specificity, but it is important to consider all of the factors that may influence your final product. The materials used, the mold design, and the process details are all heavily influenced by your intended application and requirements. An experienced overmolding company can assist you in addressing all of these factors, and they will give you recommendations and suggestions on how best to create a product for your needs. Finding an experienced, knowledgeable and trustworthy overmolding manufacturer is simple with IQS Directory, and it’s the best place to start on your journey to receiving a top of the line overmolded product.

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