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Need To Find A Waterproof And Uv Protective Sealant For My Bones!!! Please Help!

Discussion in 'Skulls and Skeletons' started by Bony Girl, Jul 23, 2020.

  1. Bony Girl

    Bony Girl New Member

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    Hello, I'm new to working with bones, but I've done A LOT of reading and research so I know a good bit now about how working with bones goes. I've only been doing it about a month and currently have some stubborn deer bones degreasing in acetone. They went through many, many baths of hot water/dawn soaks for three weeks, and were still bleeding grease so today I made the jump to acetone. When the bones are done being degreased (when ever that will be but hopefully in the next 2 weeks or so) I have a special project I'm going to use them for. I'm going to make them into windchimes and will be selling them. The windchimes are going to be something that sits outside for years. So I need to seal the bones with something that will make them waterproof for many years. After a few years I don't want them to be falling apart or become discolored due to the elements. I don't have enough money to buy Polaroid B72 so what would be a different and cheaper option that will work just as well? Also, I'm looking for a waterproof seal that won't leave a super glossy looking finish. I want the bones texture to appear as natural as possible. Any advice and information would be greatly appreciated!
     
    Last edited: Jul 23, 2020
  2. Sea Wolf

    Sea Wolf Well-Known Member

    If any of the bones are large, especially leg bones, you will have to drill down through the center from one end to the other to allow the grease trapped inside to escape. Otherwise, you will be degreasing for a very long time. Stand the bones on end and make sure they are submerged completely and put them back in the heated Dawn solution. It isn't just some hot water, the detergent mix needs to be heated 24/7 to 120 degrees for it to work.

    When you look at how much you use, paraloid B72 is not that expensive. There isn't anything that will work as well for preserving bone but you can try a spray coating of non yellowing acrylic. You will probably need to do touchup coats every couple of years or sooner as the coating will wear off of any contact points. You can buy it in a matte finish. If you are going to be selling them, then the paraloid B72 should be used and the bones soaked in it for a day or so to get good penetration. Your profit will more than pay for the resin.
     
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  3. Bony Girl

    Bony Girl New Member

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    I can definitely drill holes so that the leg bones will drain. Also I dont have a way to keep the water/dawn mix at 120°. My water heater actually gets up to the temperature, I tested it and it actually hit 125°. I fill up the bucket with the super hot water and then I take the bones, with a lid on the top outside and let the sun keep them at at least 85-90° during the day. I live in Florida and the water actually stays pretty hot for quite a while. In the morning I go out and change out the water. Because of how often I'm changing the water I dont use a crap ton of danw, just enough to give the water a blue tinted. This is all I can do since I'm broke and dont have the money for a fancy set up. I know that once the bones sell I'll have money but till then I'm not in a position to buy anything. I had to borrow money from my grandparents just to get the acetone to soak the bones. So I can't get Polaroid right now. I found some kyrylon acrylic spray on paint I like that is for outdoor use and is non yellowing, waterproof, uv protective, na moisture resistant. So that will have to work. I was thinking about trying Flexseal clear spray on them but I'm not sure how they would come out. Thank you for your reply.

     
    Last edited: Jul 25, 2020
  4. Sea Wolf

    Sea Wolf Well-Known Member

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  5. Bony Girl

    Bony Girl New Member

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    How do you suggest that I get the fat at 110° and keep it that way? I have no other options other than what I'm doing. Or I could carefully use my stove top... And thanks to my insanly hot waterheater the water I use, for about an hour or two is at temperatures of 105-110° . It's all I have and it is working, the bones are bleeding grease. So do you have any cheap suggestion on how I should get the grease out? Or should I just put the bones on the stove, or in the oven at 100° and let them simmer for a few hours a day? That the only option I have right now. ..

     
  6. Sea Wolf

    Sea Wolf Well-Known Member

    You can try the stove method. If you get it too hot (boiling) for too long the bones will be damaged so just keep it on the lowest setting. Or, invest in what you need to do the work. There are cheaper "Barrel Heaters" available now that work well with either plastic containers or metal. They wrap around the container and heat the contents from outside.
     
  7. Bony Girl

    Bony Girl New Member

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    Okay I will do that on Tuesday when I pull the bones out from their acetone bath. I figure it wont hurt them to sit in the acetone until their week is up. And dont worry I know about acetone, I have bags of ice on hand to keep the acetone cool on days we get that are 90°+. The sealed bucket is outside in a shed and sits in a cooler. I always make sure the acetone stays cool.
     
  8. Bony Girl

    Bony Girl New Member

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    Hey Seawolf, I found a slow cooker I have that I have gotten to keep at a te temperature of a perfect 116°, it fluctuates a little but does not go past 118° is this safe to use for my bones? It's all I've got that can heat the water up and keep it at a stable temperature. And I've been watching it all day checking on it every half hour, the water isn't rolling or boiling at all and the temperature has been holding. I can use this right?
     
  9. Sea Wolf

    Sea Wolf Well-Known Member

    You can try. Just make sure that you watch the water level and keep it topped off. If you can keep it at 118 might be close enough to 120 to work. If you have an actual thermometer, you might want to double check the temp. Most of those get hotter than their digital readout says. But as long as it isn't boiling or you see any bubbling at all might be ok.
     
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  10. Bony Girl

    Bony Girl New Member

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    Yeah I'm keeping an eye on the water level, it does pretty good with the lid on, and with the lid on it stays at about 119° and my dad has a lazer thermometer that I've been using and its accurate. I also have a glass candy thermometer that I've been using to double check the heat and they're both saying the same thing. So I think this is good and will work for my bones. Thank you for your help
     
  11. I would suggest using waterbased exterior Minwax sealer. You can get it in matte finish, and it isn't too awfully expensive and a small can goes a long way. You would have to brush it on (or spray it if you want to get it into small crevices, inside of skull/nasal cavities, etc), though.