You have these right papa? ... Go get one, the mat, and look at the surface. Quite obviously that came off a real production line, and not someone's basement shop. How do you think these things are manufactured?
oregonpapa4,349 posts01-18-2021 10:37pm audio2design ...
Why do you continue with the " roll extrude or mold an EMI mat" nonsense. Did you read my above post? There was no rolling, extruding, or molding involved. And Tim Mrock was no neophyte. While his hobby was audio, his products were originally intended for commercial use.