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Matt Oz

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Everything posted by Matt Oz

  1. Here is more info on the technique from 2013: http://community.ceramicartsdaily.org/topic/4445-dish-detergent-in-glaze-makes-bubbles-how-please/
  2. The only way to be sure it's safe, is to send the pizza to a certified lab for testing.
  3. Looks like they have some competition and this one is already on the market. http://www.kilncontrol.com/explore/ http://www.evenheat-kiln.com/?pg=showcase-center&id=tap-controller
  4. Fun fact, the original 7UP had a small amount of lithium in it.
  5. To add to what the other Matt said, is there a smoker in the household, that can turn things yellow.
  6. Rain, rain, go away Come again another day Little Arthur wants to play.
  7. Tiny bubbles In the glaze Make me happy Make me feel fine Sorry, I'm old
  8. I must concretize this and give you an answer on an indeterminate date.
  9. If there is wollastonite in the clay body, this can happen.
  10. "Measure twice cut once" is that pottery related, I can't remember. My last name starts with Oz, so, skip the wine and have a slab of beer.
  11. I do approximately 12,000g for a 5 gallon bucket.
  12. A lot of juried shows in my area do allow slip cast wares, as long as you designed the mold yourself, and high fired porcelain, bone china, stoneware, all types of clay are used.
  13. I like to do a lot of experiments formulating translucent cone 6 porcelain bodies and wanted to show the difference in translucency of kaolins. I use this recipe with Grolleg and did not compensate for more refractory kaolin's when mixing up test batches, but from doing various tests in the past these results seem close enough. Cone 6 Porcelain 50 Kaolin 20 Silica 325 mesh 20 G-200 feldspar 4 Talc 1 Veegum T 5 Wollastonite Add: 2 Frit 3134 2 Bentonite For the test tiles I give the percentage of titanium and iron that the kaolins contain, referencing digitalfire.com with each sample because: Titanium (TiO2) affects translucency and color. Iron (Fe2O3) affects color, and less so translucency. Tiles are approximately 3/32" thick (2.4 mm), fired in an electric kiln. Back lit with led bulb. Left to right: New Zealand Halloysite (kaolin) TiO2___0.05% 2nd lowest Fe2O3_ 0.25% Lowest Grolleg TiO2___0.03% Lowest Fe2O3_ 0.70% 2nd highest EPK TiO2___0.37% 2nd highest Fe2O3_ 0.79% Highest #6 Tile TiO2___1.40% Highest Fe2O3_ 0.50% 2nd lowest
  14. I thought the movie, while not perfect, was entertaining.
  15. Doesn't this boil down to how much clay you use, if you're production potter and need tons at a time, than mixing your own is probably not the way to go, but a few hundred pounds at a time of your own clay body, not a big deal. Also if you mix your own clay, your able to mix it into a slip like Joseph is doing, it's a good way to go for quality clay. I have some of my own specialty clay bodies that have to mixed into a slip first. As far as the dust hazard and my non expert opinion, if you mix up your own glazes as a lot of potters do, I would think you would be set up to handle at least smaller batches of clay.
  16. Curt, Thanks for sharing your microscope pictures and other info. To answer your question about if I use a ball mill, the only thing I do is put the glaze through a 100 mesh sieve. I haven’t compared it to lower meshes for bubbles, so I don't know what the differences are.
  17. Here is a post from an AMACO engineer on this subject. and here is the thread it is from....Anyone Use Amaco Potters Choice Saturation Metallic Or Gold?
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