Grey insulating cardboard
Ahoy,
In my Uhers there are rather fine pieces of thin, stiff, grey cardboard used between circuit boards and covers. Perhaps they aren't anything special, but they have nice pressed, smooth, shiny surfaces.
If I wanted to use anything similiar in my own projects, or replace something in an old piece of equipment, does anyone know the name of this cardboard equivalent, or if it's something one can still buy today? Does it have ratings or did they just use bits of cereal packet?
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