You have rolls of it in your kitchen pantry.
Its not terribly impressive, how you know that they know is that they use percentages instead of the standard logarithmic representation in decibels, which is typical for discussing shielding applications.
What else? Polymer-carbon foam, silvered mylar, many other things that can be engineered to be frequency selective surfaces.
Do you have any more questions?
“You have rolls of it in your kitchen pantry.”
Not even close!
Either you are not a RFEngineer or you have a read8jg comprehension problem.
Aluminum foil absorbs almost non of the referenced signals.
Attenuation is about 3db compared to 20db.