Has anyone had any experience refiring (3rd fire) a piece that has been fired to cone 6? I went to be some lusters to help fix an ugly piece and my contact told me that I could fire the low fire glazes over the hi fire pieces and they would not only stick, but they would also crackle.
Opinions? Anecdotes?
I have done this with pieces originally fired ^8/9. These were designed to have Lustres/on-glaze colours on them. The only time I had any crackle/crazing appear was when I applied a Mother of Pearl Lustre all over one piece and put too much on (this was air-brushed on), otherwise I had no problems. I did have one interesting result when I did some lettering on the unglazed bodies of a set of pieces that had had the rims dipped in a copper-based green semi-crystaline glaze. When they came out of the ^017 firing the green glaze had turned into a metallic pewter colour. very nice, but not what was intended! Luckily the customer really liked them.......phew!!
Steve Bath UK
In article , Stephanie Coleman writes
check out the Mother of Pearl or Precious Metals here
Actually... you gave me an idea how to save a few pieces. Thank You -nan-
Stephanie Coleman wrote:
I haven't used lusters, but conventional water-based glazes will not stick to non-absorbent surfaces. The conventional wisdom is to heat the piece to help the water evaporate on contact with the brush.
I'd guess that since lusters are designed to go over glazed pieces, they use some oil- or acrylic-based binder instead of water. So you may as well go ahead and try this, especially if you think the piece looks ugly now!
Best regards,
Bob Masta dqatechATdaqartaDOTcom D A Q A R T A Data AcQuisition And Real-Time Analysis
I've used lustres on ^9 -10 peices and they is FINE, Absolutely far F'in out actually, went on really well and fired as a dream.... a bit of gum arabic mixed in should help other colours to stick to pots, if you heat them up they tends to go cold too quickly for complex stuff... Hugs Eddie
Well i worked pretty well. I first sprayed the pieces with spray starch, then let them dry. I used both Spectrum cone 04 glazes and cone 04 lustres. I got a little crazing
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