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2 part urethane ultra clear

Discussion in 'Molding and Casting' started by John C, Feb 4, 2014.

  1. Feb 4, 2014 #1
    John C

    John C Well-Known Member

    16,648
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    Between South Africa and America.
    I have a little encasement project. I need a 2 part urethane that is water clear for this.

    Which resins have you found to be water clear?
     
  3. Feb 4, 2014 #2
    antlerman

    antlerman NTA Life Member #0118

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    US Composites............Clear Casting Resin but it ain't no urethane. That's fur sure.
     

  5. Feb 4, 2014 #3
    Doug Bridges

    Doug Bridges New Member

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    Metamora, MI
    Smooth on has a nice clear material. Don't expect a fast set time. They cure overnight.

    Also you need to expect to use a vacuum chamber to get a true clear bubble free casting. There may be some stuff out there that will degas on its own but I am not sure.

    Any in put on that Tim?


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  6. Feb 4, 2014 #4
    antlerman

    antlerman NTA Life Member #0118

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    I think it would work better in a pressure pot. About the only input I've got.
     
  7. Feb 4, 2014 #5
    John C

    John C Well-Known Member

    16,648
    604
    Between South Africa and America.
    I know many people will disclaim this but its worked for me. I use a heavy gauge bucket and a plexiglass lid to pull a vaccum and the air bubbles do rise to the top and the amount of volume does increase drastically in size.
     
  8. Feb 4, 2014 #6
    antlerman

    antlerman NTA Life Member #0118

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    Yep, that'll work too.
     
  9. Feb 5, 2014 #7
    Doug Bridges

    Doug Bridges New Member

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    Metamora, MI
    The vacuum pot I have is a 5 gallon heavy walled cooking pot with a 1in thick acrylic top.

    Tim makes a good point, a pressure pot after you fill your mold.

    Vacuum after you mix and pressure after you pour.


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