Custom Insert Molding
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Insert Molding Services
Insert Molding is the process of molding plastic around previously fabricated component(s). Moldtronics Inc, is a pioneer in this field, having produced some of the first parts using this process back in 1957. Since then, we have become experts in the field. This process is compatible with both thermoplastic and thermoset materials.
Overmolding is the molding of plastic over another molded plastic. It is a process that involves molding plastic around or on a previously molded component. The finished part will have extraordinary features such as better durability, improved safety, and increased strength.

Insert Molding Pioneers
Moldtronics Inc. was among the first to develop this technology. We have over 50 years of experience dealing with the complexities of insert and overmolding and delivering turnkey solutions to our customers. As with all molding, early involvement in the design process can yield significant savings in the tooling cost and part price.
Advantages of
Insert Molding
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History
Moldtronics has literally been around since the beginning stages of insert molding and was a pioneer in this industry. We have a long list of clients and come highly-experienced.
Durability
Efficiency
Because the plastic is formed right over the metal insert, this is essentially a one-step process. We’re able to reduce labor costs which means less time and cost involved.
Final Size
There really isn’t a more precise molding process than insert molding and no other molding process can produce parts as strong and small.
Frequently Asked Questions
What types of materials can be used in insert molding?
Are there design limitations?
How is insert molding different from other molding processes?

The Moldtronics Difference
- Custom solutions
- Assistance with material selection
- Full engineering services from art to part
- Trusted supplier to some of the world’s largest OEM’s
Ready to see Moldtronics in action?
Fill out the simple form below and a representative will get back to you.
Ready to see Moldtronics in action?
We’re ready to help with your project. Reach out today and let’s get moving!
Ready to see Moldtronics in action?
Fill out the simple form below and a representative will get back to you.