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RE: Ultraperm 80

I am not 100% sure this was ever a 3M product. I think the 3M branding is simply from the adhesive and is not indicative of the overall manufacturer. Put another way it could simply be a 3M adhesive attached to a Vacuumschmelze nickel by a third party.

There was a large amount of this specific material available from multiple surplus sources about 25 years ago at like $6 a sheet in packs of 100. People started buying them 100 at a time and flipping them on ebay for $20-30 a sheet about 20 years ago and as the surplus market dried up, the ebay price went up.... some kept the price the same and cut the sheets in half.... ahhh shrink-flation.


dave


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