Specific gravity is simply a tool for you to adjust your slip to meet the needs of.
Ceramic specific gravity.
In general a specific gravity of 1 80 to 1 85 provides good balance of fluidity and strength for most casting purposes.
This tells us how dense the particle count is and therefore how thickly the glaze will apply.
Porcelain is a ceramic material made by heating selected and refined materials often including clay in the form of kaolinite to high temperatures.
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This chart displays specific gravity of materials which is the density of a material relative to the density of water.
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Furthermore tungsten is heavier than lead and around the same weight as gold making it an unusually dense material.
Specific gravity table typical for metals minerals and ceramics from reade.
Specific gravity density fine ceramics are lighter than high strength metals and weigh roughly 50 of metals having the same volume.
Custom toll processing.
This number can vary though depending on exactly what is being cast.
A ceramic slurry with a specific gravity of 1 8 is thus 1 8 times heavier than water.
Specific gravity sg coefficient of linear expansion α m m k maximum safe operating temperature o c thermal conductivity k 10 3 cal cm sec o c tensile strength σ.
Compared to metals ceramics tend to have less than half of the density.
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Different clay bodies have different optimal specific gravities that are determined by good old fashioned trial and error.