M42 helmet.. Do you also see the decal?

[Glenn66]

I think it would be fine.

[James C]

Thanks Glenn just a thought i applied a wax coating on my stahlhelm relics and just left them to sit quietly on the shelf ,this process also helped to highlight any decal remnant's

[Glenn66]

That's the ticket! Good old renaissance wax and then let them be...

[greatwhite]

Renaissance Wax , seems the way for long term protection, have any of you guys used the pre lim, is it any good.

[Logictox]

It's the Xylene in WD 40 that evaporates so quick. Xylene is a great cleaner when heated to boiling which is a low temperature and easy to chill after evaporation but it dries out very quickly. When I was young I worked with industrial circuits and Xylene was one of the major cleaners and is a major component of WD 40