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More LED's - Again



 
 
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Old March 22nd 06, 02:24 AM posted to rec.aviation.homebuilt
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Default More LED's - Again

Yes, After steaming, it would not stain


"Morgans" wrote in message
...

"Cy Galley" wrote in message
news:qaLTf.836270$x96.260249@attbi_s72...
The steam method is how ALCOA found out that steam seals the anodizing.
Seems they had plain anodized cafeteria trays. Coffee would be spilled
on
the tray. The coffee stain could be washed off most except for a few.
Alcoa was perplexed until they found that if the tray was set over the

steam
table, then the coffee stain became permanent. Got this from an ALCOA

movie
when I was trying to teach science to non-believers.


So if it was steam sealed, and coffee got spilled on it, then steamed
after
the spill, would the coffee wash off of it?
--
Jim in NC



 




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