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Murphys is not a detergent, and I don't know in my experience what "binding salts" refers too. What I do know is murphys has a-lot of other chemicals that is harmful to steel. I don't know how controlled your testing is but I'm sure the murphys is acting as a soap independent of the other ingredients. Being so the murphys is not soluble, but miscible in water. Therefore ambient air moisture keeps it and the inert ingredients to attack the steel. As far as the 2003 Lube you bought..You'll have to take that up with Scott Lee from the Old Ox-Yoke. I replaced any of those Ox-Yoke bottles for free as a good faith gesture. Here's a link from an independent lab that tested a variety of commercial lubes.[url] http://www.ctmuzzleloaders.com/mlexperiments/corrosion/corrosion2.html[/url] :winking:
Stumpkiller said:I was just informed the pH for moose juice, mixed as directed, is 8.2; slightly alkali.
I'm cleaning a $3,000 "natural patina" (unblued) flintlock with it. If I catch a breechplug in the cheek I'll be sure to inform the forum. :winking:
Perhaps the hot, soapy (Ivory, occasionally Murphy's) water I use for a thorough cleaning rinses all the salts away through purely mechanical sloughing with enough rinsing?
The detergent in Murphy's is a surfacant and binds the dissolved salts (it's own and those of burnt powder). I always chase a cleaning with a patch soaked in alcohol to displace any remaining water.
Don't want to throw stones, but I gut rust the day after using a batch of 2003 Lehigh Valley Lube in my T/C as a bore coating after shooting.
I did a two month rust test on bare steel (Olympic 18 ga. CRS) with 15 different compounds. The Murphys did very well wiped on bare steel, hosed, flashed with black powder, and hose again. Then left outdoors under a car-port. Search back to "Lube Wars" from two years ago.
T/C #13 rusted BEFORE tap (well) water did!
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