Click on the banner to join the excellent German Helmet Walhalla forum where you can chat with hundreds of collectors from all over the world. See you there. MenuForum NavigationForumMembersActivityLoginRegisterForum breadcrumbs - You are here:German Helmet Vault - Tracking the Fakes and Q&A forumGerman WW2 Helmets: German Helmets : Questions & AnswersHas anyone used Oxalic acid on a …Post ReplyPost Reply: Has anyone used Oxalic acid on a helmet? <blockquote><div class="quotetitle">Quote from <a class="profile-link highlight-default" href="#">MAP</a> on July 11, 2020, 3:43 am</div>Even if you got it, this helmet is not a candidate for Oxalic acid. The acid removes rust and really is only used on ground dug helmets that are heavily corroded.</blockquote><br> Upload Files:Add another file ...Maximum files: 10 · Maximum file size: 10 MB · Allowed file types: jpg,jpeg,gif,png,bmp,pdfCancel Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading...