Graphite lubricant.
I've generated huge amounts of powdered graphite while machining blocks of graphite to make molds for thermite casting, so I found it humorous to buy a little bit more in a tube. But it really is a very good lubricant: After doing the graphite machining all my tools run nice and smooth, and even my floor is extra-slippery. The stuff gets everywhere.
Source: Hardware Store
Contributor: Theodore Gray
Acquired: 20 November, 2003
Price: $3
Size: 5"
Purity: >90%
Sample Group: Powders
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