Newspaper Aluminum Sheets

Has anyone used the thin aluminum sheets that newspapers use for page
print for flat plate capacitors.  The newspaper people dispose of the
sheets when they get old.  The sheets are the size of a sheet of
newspaper and ,(I think), are anodized where the print appears. I don't
know if this newsprint process changes the surface properties of the

If I can't get any answers from the list I will get a sheet and test.
They are FREE and seem to be the right size for flat plate capacitors.

Coiling in SW Ohio------Cliff