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Zincpest crystalization, opinions please

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    #31
    Hello everyone, again:

    I hate to revive this again, but I must add at least one more thing. I do ultimately also agree that it's best to apply nothing to badges, medals, leather, etc., etc. The only product I ever use on anything is Ren-Wax, and I apply that only to my dagger blades. I personally use nothing else on anything else in my collection. I only control the humidity, keeping it at appropriate levels, and that alone has so far worked for me just fine. I have personally found that applying any substances to other items does little more than cause additional problems for me, one way or another. Sometimes a negative effect for me is little more than the unattractive color of the metal beneath the corrosion, once it's been removed by another substance. Other collectors may not be bothered by such things at all, and may instead just be happy to think that they have stopped or, at least temporarily arrested, the corrosion. Much of that is all a matter of debatable and subjective perspective to say the least.

    However, anytime anyone else insists that they've done this or that, to seal out humidity, which they swear has had positive effects for them over time, I usually don't say anything to discourage them, even though maybe I sometimes should. Since this is all such an experimental thing at times, with different people reporting different results, and different people having a different tolerance for such results, I am often more confused in the end than I am refreshed with new knowledge.

    To end this all, however, I will always relent to the advice of Paul R, since he is the only one here who has a career working in conservation, in a research-based environment, truly testing it all. Such research is always, of course, where some of the best and final facts will be found.

    Chris

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      #32
      What would the optimum humidity range be on zinc combat badges?

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        #33
        Robert, You want to keep the humidity between 43%-45% 24/7. I would advise purchasing a humidity gauge to help maintain the humidity check it twice daily. Paul

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          #34
          Originally posted by Paul R. View Post
          Robert, You want to keep the humidity between 43%-45% 24/7. I would advise purchasing a humidity gauge to help maintain the humidity check it twice daily. Paul
          Well, that's good...I guess. I received a digital Hygro-Thermometer today in the mail, placed it in my safe all day (10 hrs), just now opened the safe and read it...37 relative humidity, temp 69 degrees F. I've ordered a 4-pak of 40 grams each deseccant for the safe, but now wonder if I'll really need it. Maybe it will make the interior of my safe too dry. ???

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            #35
            Robert, Hold on a minute! Don't go packing up your humidity gauge yet. Humidity can change by the minute. Its idea to check it twice daily. Add the silica gel packs when you need then. Remember dry humidity can cause damage as well 40-37% can cause shrinkage to items. That why I say keep the air humidity 43-45% 24/7. Yes, a humidifier (added water to the air) might be needed in the drier fall/winter months. Yes, at time this all can get tiring at times. It's really not that complicated. Paul

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              #36
              Hello all,,thanks to everyone for thier input here this is a great thread,,I was wondering where you get the cotton muslin??

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                #37
                niblet, I useally get mine at a local fabric store. It should be rinsed in cold water without soap. Then air dry. The fabric has a applied sizer that needs to be washed. Also do not forget fleece. Fleece is a inert fabric that will not attract moisture. This too can be bought at a fabric store. Paul

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                  #38
                  Thanks Paul!

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                    #39
                    This will throw you. In the summer months our relative humidity is 5%, and temp up to 107 degrees F. It's 6:30 am here this morning 11-4-08, and I just checked the humidity in the safe where I keep the majority of my badges - 37 humidity. My den (I checked last night) is 36 humidity.

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