[R-390] Dry lube again

[Ron Kolarik]

Here's another source for the dry lube powders, at least the HBN
https://sandblastingabrasives.com
It's fairly cheap by the pound $66+$8.61 UPS to me. They do have 1/4 
pound packages
available for $34.99 shipping....that's still a LOT of HBN. I don't have 
any extra for sale,
the pound I ordered is being split up for a bunch of local guys....it 
ain't going in a 390 :)

Ron
K0IDT