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Correcting Three Vacuum Impregnation Myths

Posted by Andy Marin on Mon, Nov 25, 2019 @ 09:43 AM

In some die casting applications, components must also be pressure-tight to hold pressurized fluid or gases. Companies use vacuum impregnation to meet these requirements by sealing the internal leak paths caused by interconnected porosity.

 

Misconceptions and lack of information about the vacuum impregnation process can hinder its implementation, which may increase unforeseen costs and negatively impact part quality. This piece demystifies vacuum impregnation by correcting three common myths.

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Should Vacuum Impregnation Be Done Before or After Finishing?

Posted by Andy Marin on Thu, May 02, 2019 @ 03:44 PM

Powder coat, paint, chromate conversion, or anodizing, are common finishes applied to die cast parts to improve their performance or appearance.  In some die casting applications, components must also be pressure tight to hold pressurized fluid or gases. Companies use vacuum impregnation to meet these requirements by sealing the internal leak paths without impacting any other features of the casting.

 

A common question asked about vacuum impregnation is “Should vacuum impregnation be done before or after finishing?”

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