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You can measure to see. How? Wash a measured amount through a 200 mesh screen and note the amount of residue. These two show the oversize on a 200 mesh screen of 100 grams of glaze slurry. On the left: Unmilled. On the right: Milled 1 hour. Clearly, it needs more than 1 hour in this mill. A factor here is the high percentage of silica in this recipe. And the fact that the coarser grade of US Silica #95 was used (rather than #45).
Glossary |
Ball milling
A method of grinding particles in ceramic powders and slurries. A porcelain, metal or rubber vessel filled with pebbles tumbles and particles are ground between colliding pebbles. |
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Glossary |
200 mesh
200 mesh (a sieve with 200 wires/inch) is the particle size that most minerals used in the ceramic industry are processed to. |
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