How do I make a ceramic mold for metal casting using Colloidal Silica?
June 30th, 2010
2 comments
Lipiew asked:
I have a wax figure i would like to cast into metal bColloidald to coat it with some sort of ceramic material except clay to fire melt the wax out leaving a perfect mold for a metal pour. Is this Colloidal silica liquid and I add sand to it or is it the other way around. Or do I need to use something completely different.
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I have a wax figure i would like to cast into metal bColloidald to coat it with some sort of ceramic material except clay to fire melt the wax out leaving a perfect mold for a metal pour. Is this Colloidal silica liquid and I add sand to it or is it the other way around. Or do I need to use something completely different.
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