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Tungsten Disulfide as a dry lube
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wiljen
new member
posted
Has anyone ever used, attempted, thought about, using Tungsten disulfide as a dry bullet lube. It looks to me like its .5 micron size and lubricity would make it compare favorably to moly. Am I missing something that makes it unsuitable ?
 
Posts: 6 | Registered: 29 October 2006Reply With Quote
popenmann
One of Us
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The jacketed benchrest boys are playing around with several coatings, that may be one of them, I don't remember.

With regard to lead bullets, you completely miss the point of bullet lubricant. The #1 function of a cast bullet lube is to improve the gas seal. Lubrication is a distant second place.
 
Posts: 1095 | Location: Idaho | Registered: 04 January 2005Reply With Quote
wiljen
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Was honestly thinking in addition too rather than as a replacement for the wax based lubes. I know it would not do anything to help the seal but am seeing several commercial casting outfits that use both a wax based lube and then a dry(powder) lube over the finished product
 
Posts: 6 | Registered: 29 October 2006Reply With Quote
jeffeosso
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tungsten -- VERY HARD....
lubricity may be fine in atmosphere, but remember, graphite in vaccum or under great pressure, is abrasive.


opinions vary band of bubbas and STC hunting Club

Information on Ammoguide about
the416AR, 458AR, 470AR, 500AR
What is an AR round? Case Drawings 416-458-470AR and 500AR.
476AR,
http://www.weaponsmith.com
 
Posts: 40221 | Location: Conroe, TX | Registered: 01 June 2002Reply With Quote
Leftoverdj
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quote:
Originally posted by jeffeosso:
tungsten -- VERY HARD....
lubricity may be fine in atmosphere, but remember, graphite in vaccum or under great pressure, is abrasive.


It is a good citizen's duty to love the country and hate the gubmint.
 
Posts: 1570 | Location: Base of the Blue Ridge | Registered: 04 November 2002Reply With Quote
STINGER
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quote:
Originally posted by jeffeosso:
tungsten -- VERY HARD....
lubricity may be fine in atmosphere, but remember, graphite in vaccum or under great pressure, is abrasive.


good point jeffe. most of us are not metalurgists, engineers or ballisticians and would not know that.

thats why we pay you those exorbitant wages. just kiddin' ya.

thanks.


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BILL
 
Posts: 479 | Location: MINOT, NORTH DAKOTA | Registered: 24 January 2005Reply With Quote
<xs headspace>
posted
Yeah, tungsten is hard, but this is tungsten DISULPHIDE. Read the specs on it--it's a lube that holds up under extreme pressure. The molecules act like nano/micro ball bearings, filling in the tiny roughness in the two sliding surfaces.
 
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<xs headspace>
posted
Oh, yeah---never tried it for cast bullets, but moly on paper patched bullets is just like sex-messy, but nice.
 
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