Henry Harris Posted May 12, 2021 Share Posted May 12, 2021 Cosmoline is an American product used for preserving firearms and military components in the USA. What is the official name of the thick/dark grease that was used for preserving stored British military components? Quote Link to comment Share on other sites More sharing options...
fv1609 Posted May 12, 2021 Share Posted May 12, 2021 If it is purely for use as a preservative it would be in the PX- range of products. If it was a grease that had underlying lubricating properties it would probably be a miscellaneous grease in the range XG- There are also some special greases that have preservation properties to be found the range ZX- There are quite a lot of these in all categories. Did you have any particular items in mind, SA, MT bits etc or any particular environment? Quote Link to comment Share on other sites More sharing options...
ruxy Posted May 12, 2021 Share Posted May 12, 2021 Vasalene , Lanolene , Hoover Cosmoline has been around for so long it's origins were probably a lanolin base from sheep wool. It was a good organic preservative - the older stuff has a greenish tinge to the brown, unfortunately for metal it lacked 'de-watering' properties - hence more modern variant sold by a few companies, based from more reliable mineral oils / waxes - Shell Oil has a much reduced range of viscosity on offer known as Ensis Fluid. Quote Link to comment Share on other sites More sharing options...
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