Comments by "Dennis Young" (@dennisyoung4631) on "Ask Ian: "Last Ditch" Rifles for World War III?" video.
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@george2113 not sure what Russia uses for long term preservation of items prone to rusting, but I’ve heard this stuff is called Cosmic (grease) or Cosmoline.
A guess, based on some of my own experience with Homebrewed chain wax, is that one might take petroleum refining residues - waxes, bunker fuel, etc - combine this stuff with just enough more refined oils to give a suitable consistency, then dip the weapons in question into a heated vat of the resulting gunge.
Once cooled, the stuff would become a thick and clinging mess that should keep out corrosion. A further matter would be to wrap the parts in burlap while still warm, then a second dipping prior to boxing or binning for long-term storage.
I’m thinking they simply shorted the “Cosmic” ingredients and then rushed the process, then afterward did not take care as to the actual storage. That would work ok for a while, but not decades. Left to set for that long - some stuff is going to get damaged unless you lay things up right.
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