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The Outpost This forum is dedicated to all who share a love for, and a desire to make good knives, and have fun doing it. We represent a diverse group of smiths and knifemakers who bring numerous methods to their craft.

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  #16  
Old 03-18-2003, 10:32 AM
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That's what I like about the ceramic wool, it really binds the mixture up, like a high temp adobe.
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  #17  
Old 03-18-2003, 07:24 PM
paul harm paul harm is offline
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tia, what is the recipe for your slip [ ceramic] ?- haven't been able to find it. thanks- paul
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Old 03-18-2003, 07:54 PM
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It's just porcelain and water. You can buy slip pre-mixed or buy thowing porcelain and mix it with water in a blender. The cheapest is to buy it dry. Any ceramic supplier should have it.

I look at the chambers I make as disposable. They last a few months and then get pitched. They are easy to patch with the same mixture and you can keep them going longer if you want.

I started off with some expensive high tech castables over ten years ago, but they really didn't hold up much better.
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Old 03-18-2003, 08:53 PM
paul harm paul harm is offline
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thanks- i'll give my local dealer a try- paul
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  #20  
Old 02-27-2018, 06:48 AM
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Most use out of homemade refractory

You want to use materials that resist water and moisture as much just do t use materials that absorb water really fast if you do just be sure to fire it to draw the moisture out out. I somewhat don't recommend using Portland cement because I shrinks and contracts when it hardens. The best refractory materials you can get are high temp firebricks and kaowool. You can get kaowool to reach temperatures of 3200 degrees Fahrenheit, firebricks can reach 2600 degrees.
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degrees, fire, forge, homemade, kaowool, materials, water


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