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Showing results for tags 'grit'.
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Hi guys, I'm looking for anything that I can add to my porcelain slip (cone 10) that will result in a fine surface texture. This could be fairly uniform almost sandpaper-y, to just varied and rough. Like below: http://www.walkerceramics.com.au/images/Compressed%20images/BRT%201280%20R%20054.jpg http://claymotion.com.au/wp-content/uploads/2013/05/brtsample.jpg Not necessarily the colors I"m after, more just the texture, but open to any suggestions. Any thoughts would be great!
jnapier posted a topic in Clay and Glaze ChemistryHey guys, I have a solid clay with a nice speckly grit to it that I want to cut up, dry out, and make into a slip but I was told theres a risk the heavier particles like grit etc may sink to the bottom when casting. The company also mentioned there may be not a whole lot of clay content in the clay and I would need to add more - but they had never tried it either. Can someone suggest if any of these is a good solution- a ) break down the clay, add water etc to make the slip and use Epsom salts to thicken clay after? b ) combine TWO clays (both stoneware, one with no grit), dry them, break them down and make slip to help suspend the particles? c ) or would just the usual suspend a few drops of Sodium Silicate or Dispex suspend the particles enough? Obviously I'll experiment regardless but any help would be appreciated. Thanks!