What is Structural Foam Injection Molding?

Posted by Liz Knapp on Apr 30, 2019 8:14:04 AM

Structural foam molding is an option available to manufacturers who are looking for a way to create stronger, more rigid plastic parts.  It is also a method used to reduce potential part weight for larger parts. Almost any type of resin can be used with this type of injection molding. Structural foam  injection molding uses lower pressure and a foaming agent mixed in with the resin. The foaming agent expands within the resin, leaving a dense outer and inner wall with a foam or honeycomb-like center. This cellular core in the part is what contributes to the decreased part weight.  During the expansion process, internal shrinkage or "sink" is reduced which creates a more uniform and aesthetically pleasing part. This process can also contribute to less internal stress in the part with better stability. 
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Topics: Injection Molding, structural foam, structural foam injection molding

Structural Foam Injection Molding: A Miracle Process?

Posted by Dave Harman on Aug 9, 2017 8:16:06 AM

Perhaps, But It’s Worth a Look To Get the Structural Integrity of Metal or Wood, with Lower Weight and Production Costs

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Topics: Injection Molding, structural foam, structural foam injection molding

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