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Feb 03, 2018

Overmolding is when one material being is molded over a second material.


The base layer is molded first and the additional plastic layer(s) are molded over and around the original part – resulting in a single, finished product.




Strong Finished Product

Long Service Life

Enhanced Safety

More Cost Efficient than Post-Molding Fabrication

Product Examples:





Power Tools & Hand Tools

Car Steering Wheels

*Special Notes:


To avoid plastic molding defects like distortion, gaps and stress fractures, molds must be meticulously designed and the overmolding process must be performed with utmost precision.


Whether you are using metal or plastic resins, proper material selection is critical to ensure materials bond together chemically and mechanically without experiencing molding defects like melt or distortion.

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