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Topic: Rust-inhibiting greases  (Read 4630 times)

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Offline Slater

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Rust-inhibiting greases
« on: February 17, 2009, 12:21:40 PM »
When it comes to long-term preservation of firearms (and most other metallic items), items such as Cosmoline and RIG (Rust Inhibiting Grease) were the long-accepted solutions, particularly with military firearms. As I understand it, Cosmoline and RIG are no longer manufactured, and as it is, the military has gone to vapor-barrier bags which are much quicker and easier.

A question to the chemists from a non-chemist: Would any grease be acceptable for firearms preservation? I.e., preserve without resulting in any long-term deterioration/softening of wood and offer sufficient protection to metal? I'm sure that someting like Mobil 1 Synthetic Grease is superior to RIG in the area of lubrication, but why would RIG be better at preservation (if indeed it is)?


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