co extrusion question

Gerard-E · Mar 5, 2021

Hi all,

I am trying to find some information on copper + plastic coextrusion.

Can anyone explain how this process works?
Is the copper inserted in the plastic channel after it is extruded? I have samples where the copper is loose and free sliding inside the plastic, which suggests it is not actually coextruded as this would melt the plastic around the shape, hence hold it thight (glued)...and then some samples were it does seem quite strongly attached.

Also, could this copper plastic coextrusion be copper + any extrudable plastic. I think my samples are all PVC, whcih would likely be too rigid for what we want, since ideally we would like to ship this in 2ft diameter reels...

Any info on this would be much appreciated.
Thanks

Gerry

itsmoked · Mar 5, 2021

That looks way too sketchy for line voltages as compared to power limited 24V or so.

I would not think that's co-extruded since it would probably be easily inserted after-the-fact.

I don't see why you couldn't use many different plastics as long as they aren't going to cold flow eventually letting the conductors touch. I'd design it with considerably more insulation between conductor than this example.

Keith Cress
kcress -

http://www.flaminsystems.com

arunmrao · Mar 6, 2021

Please avoid cross-posting in multiple forums.

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co extrusion question

Gerard-E

Mechanical

itsmoked

Electrical

arunmrao

Materials

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