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  1. Like
    sima got a reaction from Rae Reich in how can i get this effect?   
    I'm open to experimenting and learning, unfortunately, glaze knowledge resources in my city are very limited, so i must learn most of it by myself. On the other hand i'm a do-it-all-myself kind of a woman, so i have no worries. Just need a kick start and basics. 
    The blue glaze is really mesmerising. Is it cobalt in it's recipe? And about the bracelet, can you elaborate on what is stiffer glaze? How can i make it?
    Thank you for sharing 
  2. Like
    sima got a reaction from Rae Reich in how can i get this effect?   
    hi everyone. i'm Sima from Iran.
    i'm a beginner. i learned the basics of the glazes. but in here the common kilns the max temp is 1080 C degrees and we don't use cones. 
    i want these effects as i see in every foreign pages and i really appreciate it if  anyone could help me to find these glaze recipes that i
    could use in this temp? and in the bracelet i want the speckles. the dark spots in the glaze. how can i achieve that?
    thank you.

  3. Like
    sima reacted to Pres in Studio Tips: glazing, underglaze, and in-glaze   
    I have moved/merged the posts dealing with Lusters to Working with Lusters. I will leave it in the Studio Operations and Making Work area.
  4. Like
    sima reacted to Fred Sweet in Working with Lusters   
    Palladium Metallic Luster is a less expensive silvery color than either true silver or platinum lusters. Should you be looking for a white metal appearance.
  5. Like
    sima reacted to Rae Reich in Working with Lusters   
    I can tell you what I learned many years ago and is still useful, but you will have to look up videos yourself (try the sites of the manufacturers).
    Apply to a high gloss, food-safe glaze surface. Dark, black or red are favored undercolors for large areas of gold, but not essential. 
    Clean surface well with alcohol, refrain from contact with oils or dust where applied. 
    Apply in smooth even flowing coat. Retouching will spoil the surface, if you want that polished look of the examples. More artistic effects, brushing on like watercolor or simply highlighting are fun experiments.  A little gold (it's in an oil base so application will depend a lot on your brush - be conservative) can make a big difference.
    Do not touch your fingers or anything else to your mouth while working with lusters, no eating or drinking, to avoid any contamination of your person or the application area or your workspace.
    Protect lustered surfaces from dust. The oil base attracts lint, dust, pollen, etc. Cover until fired - fire as soon as possible.
    Fire in oxidation with the kiln door open a bit to start as the volatiles burn out (and stay far away as this is happening), close the door and go to cone ^018 (about 1285F ). 
    Do not clean finished surfaces with abrasives. Silver lustre will have to be periodically carefully polished, but platinum lustre, like gold, retains its shine when properly applied and cared for (as you would gold or silver plate, because  it's just a thin coating).
    Good luck!
  6. Like
    sima reacted to Rae Reich in Working with Lusters   
    Sima, although gold is also a lustre and applied and fired the same way, it is food safe and a bit more durable (unless microwaved).
    That dinnerware set Is beautiful. 
  7. Like
    sima reacted to Pres in Working with Lusters   
    Sima, looks like you have a collection of luster glazed pottery. Most of these are functional items, but I would not use any of them for serving food etc. Maybe just an old potters prejudice. The process involves firing ware at a regular temperature where clay and glaze is matured. After that glaze firing, an overglaze of luster that is toxic, and often contains metallic oxides or salts is painted on over top of the original glaze in part or all. Then a third firing(assuming bisque, glaze, luster firings) is done at a low temperature, near 1500F, with a vented kiln. The fumes from the firing are quite toxic, and the ware afterwards needs gentle polishing to remove a slight residue.
    Did this process in 90's with some pieces, successful, but not interested in the lack of durability and the toxic nature. The lusters will rub off over time, and if you consider the materials they are made of you would be ingesting these if the pottery were meant for serving or food. 
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