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    #1

    Humidity and temperature

    Hello all,

    Can anyone tell me where these parameters need to be..?..

    I have in my collectionroom (uniforms, equipment and everything) at eh moment 19 dgr Celcius and a humidity of 56-57%.

    Thanks for any input.

    Hans Kristian
    Tags: None
    #2
    Originally posted by Hans Kristian View Post
    I have in my collectionroom (uniforms, equipment and everything) at eh moment 19 dgr Celcius and a humidity of 56-57%.
    Humidity might be a little high. I have seen recommendations that for collectibles you want it between 35 and 45 percent.

    Many of my helmets, uniforms, etc. are housed in my basement. I run two humidifiers year round with a humidity around 35-40 percent even in the height of summer.

    One thing that I personally think is overlooked is dust. I use a high end air purifier and it does a very good job of controlling dust.

    Comment

      #3
      Hi,
      I run at about 50% seems ok for most things nothing is rusting nor drying out ,I agree on the dust I too use a filtered system,one other thing to look out for is stagnant air as it promotes mildew I have a positive pressure air flow system that is filtered had no problems with anything over the years.
      Mark

      Comment

        #4
        Originally posted by merdock View Post
        Hi,
        I run at about 50% seems ok for most things nothing is rusting nor drying out ,I agree on the dust I too use a filtered system,one other thing to look out for is stagnant air as it promotes mildew I have a positive pressure air flow system that is filtered had no problems with anything over the years.
        Mark
        Mark, thanks, very interesting. Do you by any chance have a link to this air flow system..?..

        Hans Kristian

        Comment

          #5
          Originally posted by Peter_Suciu View Post
          Humidity might be a little high. I have seen recommendations that for collectibles you want it between 35 and 45 percent.

          Many of my helmets, uniforms, etc. are housed in my basement. I run two humidifiers year round with a humidity around 35-40 percent even in the height of summer.

          One thing that I personally think is overlooked is dust. I use a high end air purifier and it does a very good job of controlling dust.
          Peter, many thanks. do you by any chance have a link to air purifier..?..

          Hans Kristian

          Comment

            #6
            I have a humidity between 50-55% and that works well for me. I think the humidity must not become to low. Your leather can dry out. Or is that not true?

            Comment

              #7
              Hello,
              I would say it's a matter or what you have to store. Attic or cave ?
              Around 8O% of humidity would be great, problem is what is right for
              leather might not be accurate for textile, uniforms.
              Cheers, Pierre

              Comment

                #8
                Originally posted by Hans Kristian View Post
                Peter, many thanks. do you by any chance have a link to air purifier..?..
                Hans, I really love my Blue Air and IQ Air purifiers.

                The key is use a Hepa filter, and avoid anything that is "ionic" or "electrostatic." The latter ones, which really aren't as popular anymore, introduce ozone into the room and that is bad to breathe in. Instead go with a good Hepa filter, which collects even microscopic particles.

                The biggest problem with a purifier is that you have to replace the filters every couple of years.

                These units are NOT cheap, but if you've invested a lot of money I think they will help protect it:

                https://www.blueair.com/us/air-purif...FQc0aQod-fIEqQ

                https://www.iqair.com/

                Comment

                  #9
                  Originally posted by coloprimus View Post
                  Hello,
                  I would say it's a matter or what you have to store. Attic or cave ?
                  Around 8O% of humidity would be great, problem is what is right for
                  leather might not be accurate for textile, uniforms.
                  Cheers, Pierre
                  Hi Peirre and thanks for the response.

                  I have neither a Cave or Attic, I have an ordinary room on the 1st floor. It is Provence, and all year I have the windows closed (except for changing the air once a week) and the shutters too. So, no direct sunlight, never any heating on.

                  And I have a mix, lether, uniforms, helmets, equipment, documents and other paper-stuff.

                  Hans Kristian

                  Comment

                    #10
                    Originally posted by Peter_Suciu View Post
                    Hans, I really love my Blue Air and IQ Air purifiers.

                    The key is use a Hepa filter, and avoid anything that is "ionic" or "electrostatic." The latter ones, which really aren't as popular anymore, introduce ozone into the room and that is bad to breathe in. Instead go with a good Hepa filter, which collects even microscopic particles.

                    The biggest problem with a purifier is that you have to replace the filters every couple of years.

                    These units are NOT cheap, but if you've invested a lot of money I think they will help protect it:

                    https://www.blueair.com/us/air-purif...FQc0aQod-fIEqQ

                    https://www.iqair.com/

                    Peter, many thanks.
                    o they are not cheap but I recently bought ONE pair of generals boards, and they could easily have paid for a top-notch purifier, so you are right. It will be money well spent.

                    Hans Kristian

                    Comment

                      #11
                      Hi,
                      Mine was home made a high performance variable speed fan and a inline heap filter keep the dust out and the air moving, air moves from the room into the cabinets and out around the doors[positive air pressure] the room has a standard de-humidifier, so no dust or mildew on the things in the cupboard .
                      Mark

                      Comment

                        #12
                        Originally posted by merdock View Post
                        Hi,
                        Mine was home made a high performance variable speed fan and a inline heap filter keep the dust out and the air moving, air moves from the room into the cabinets and out around the doors[positive air pressure] the room has a standard de-humidifier, so no dust or mildew on the things in the cupboard .
                        Mark
                        Mark, thanks, unfortunately I do not have skills to make stuff like that so I guess I need to buy one instead.

                        Hans Kristian

                        Comment

                          #13
                          I try to keep my room humidity at 40-50% for my Medal collection.

                          I am of the understanding that corrosion begins to start at 65% humidity.

                          Comment

                            #14
                            Originally posted by DAZZA3483 View Post
                            I try to keep my room humidity at 40-50% for my Medal collection.

                            I am of the understanding that corrosion begins to start at 65% humidity.

                            Good info, I did not know, thanks..

                            Comment

                              #15
                              You may want to conduct a WAF search on this topic. There are many opinions on this very topic. As a museum conservator I suggest to stay in the museums perimeters. Don't forget the air temperature is also a factor.

                              Museums also have a varied opinions on humidity. Country to country these standards can vary though all are trying to be more uniformed. It's best to draw your own conclusions on this topic.

                              Please consider a good humidity/ temperature gauge. Running a good dehumidifier in the room where your collect is is vitally essential.

                              Never store you collection with in 5 feet of your dehumidifier. The dehumidifier pulls humidity to the dehumidifier unit itself as it takes it out of the room. It can be as high as 80-90 right beside your dehumidifier..

                              I know as i am posting this I will have many members disagree with this post. As I always state. These are your items to do as you see fit to do with them. We all hold our own opinions as truth even if they could be wrong. As i have said best to do your own research and draw your own conclusions. On any of the WAF threads.

                              DAZZA3483 actually humidity can start forming on some objects around 50% Humidity will affect many items from medals, leather, paper, cardboard, glue, fabric, paint, cellulite. Dirty and finger prints on objects will attract humidity also.
                              Last edited by Paul R.; 10-23-2016, 12:06 PM.

                              Comment

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