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<center>Because it was...
<I>C H E A P</i>
and I'm always fascinated with getting a lot for a little!!
<I>...doesn't take much to make me happy!</i></center>

MK
 

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again, do you really think that the last thing nasa did, before lift off in 2004, was to grease the wheels an the mars rover and that's why it's stuck up there right now? permanent dry lubricant coatings. i don't understand why we continue to have to lubricate something as low tech as a shotgun in this day in age. unless it's just tradition. adams, jefferson, madison and paine were known to debate the better wad lube for their muskets between moments of brain freeze while writing the constitution. good luck with it
 

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Back in the 80's the Army experimented with a permanent dry film lubricant named "Xylan" for weapons lubrication; it is a heat set product similar in appearance to the non-stick coatings used on cookware. It didn't work very well.

They continued to fiddle with similar products until the early 90's when they finally came to the conclusion that until/unless the technology developed to the point where the coating's film thickness could be measured in microns it was of little value. Having to design film clearances into precision fit interfaces was self-defeating. When the film wore down and the clearances changed and the precision fit became not precise anymore, with predictable consequences.

Moly works in limited applications and conditions but it's not permanent. There seem to be more possibilities in manufacturing components from self-lubrication materials but that limits the range of applications.

Until permanent dry film lubrication can match fluid lubrication for film thickness and self-repair, we're stuck with grease and oil.

MK
 
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