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Need help to get hermetic seal of insert molded wire

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sjh

Mechanical
Jul 22, 2002
3
I am prototyping a small plastic plug molded over a 1mm wire and I need to achieve a reliable hermetic seal between the plastic and the wire insert. The wire is defined but the plastic is not. Any suggestions with respect to getting a good seal? Best resins to sample? What effect do fillers have? Tooling or processing tricks? Any help from someone who has tried this would be greatly appreciated.
 
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