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Re: Flue w/sonotubes as forms?
The castable refractory is thixotropic. ie it becomes more fluid if you get a handful of the stuff and shake it. Too much water in the mixture results in a weaker product. Don't mix up too much at a time. Good luck.
The castable refractory is thixotropic. ie it becomes more fluid if you get a handful of the stuff and shake it. Too much water in the mixture results in a weaker product. Don't mix up too much at a time. Good luck.
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