A pure silica suspension that behaves like a glaze. Is that possible? Yes.
Tuesday 11th October 2016
This slurry is just water and 295 mesh insight-live.com/material/1245">silica. I have mixed it to 1.79 specific gravity and it is creamy. It applies like a glaze to bisque ware (if I dip it fast) and goes on super smooth and even. It does settle, but only slowly. Unlike feldspar and nepheline syenite, if I thin it a little and add powdered epsom salts or vinegar it does not gel, no matter how much I put in. The only response I can see is that it appears to settle out a little less. I was always taught that clay is needed to suspend things, every thing else will settle out like a rock if there is no clay present in the slurry. Of any material, this is one that I would have expected to settle out the fastest.
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