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Found 3 results

  1. I am goung back to an annoying glaze, have read upon reasons,deflo and floc. how tos and I cannot get an acceptable light in my brain nor a result on my pits. Glaze cracks and flakes off on pitf priorc.cto firing. Glazed to 06 Recipe Lith.carb 3 Stron Carb 9 Fr.3110 59 EPK 12 Flint 17 Addition. CuCO4 5 Bentonite 2 My thinking. V little clay..what is causing the cracking? (Tempted to swop the quantity of Bent. and copper but would the cracking increase?)
  2. Hi all, Second time posting here and I’m hoping you can help! Hopefully this is the right place to be for a troubleshooting question like this. Im currently working from a recipe for Val Cushing’s Cone 6 Porcelain Slip. grolleg: 15% tile 6: 15% Epk: 3% om4: 10% flint: 25% neph sy: 30% gerstley borate: 2% —————————— Sodium silicate: .0028% calgon: .0005% When I mixed this before, as now, I subbed the deflocculants with Darvan. I mixed it successfully then, but I’m currently have difficulty. I know that darvan generally subs
  3. Hello everyone, I am wondering if anybody can give me an advice on deflocculation? I am trying to adjust the viscosity of one gallon slip "Cone 06 Casting Slip - White" from a ca 50 seconds runtime, to ca 30 seconds. I have used dispersal "Darvan 7" in small increments and I am not adding water! For some reason, the slip does not seem to change significantly. Could there be an issue that I am not aware of? About how much would I roughly need to add to a gallon to get the running time down about 20 seconds under normal circumstances? Any advice would be so much appreciated! Thanks every
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