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Electrical characteristics of unlit or polysyrene foam

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kamilia

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req:unlit permeability

HI

I need to electrical characteristics of unlit or polysyrene foam (foam for packaging)
please help me
 

Re: req:unlit permeability

This material is about 98% air so you should be very close to free space value. To be more accurate you could try 1.04 to 1.06 as the relative value.
 

Re: req:unlit permeability

Hi
thank. is it applicable in microwave for example 5-15 GHz
 

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