How is the shielding effectiveness measured on your products? When you say, X-Dream has 100dB attenuation, is it measured by any normative testing method, IEEE 299, or ASTM, or is it measured inside a faraday cage from this material?
This is very important, because in real application only the faraday cage will be created. IEEE and ASTM testing methods give attenuations usually 50% or more higher than real faraday cage applications.
Did you test shielding attenuation in enclosed room or chamber with only these materials? What were the results of attenuation?