JeffD
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High-temp, disposable material
JeffD replied to dragonorb13's topic in Smelting, Melting, Foundry, and Casting
Use silica sand about 35 mesh and add about 30% by volumn of fire clay such as lincoln fire clay. add water until it is doughy. If it is not sticky enough for your use then add a little bentonite. Just a little. Press it into a steel pot or whatever pot you have. Use an oxyfuel torch to dry out the lining and then make it red hot. Add your material and melt it with the torch.