Sandi0720 Posted March 1, 2023 Report Share Posted March 1, 2023 (edited) Will gold or copper luster leave color residue on bisque like gold or silver overglaze would, or would it burn off the bisque and leave the bisque color on changed like mother of pearl luster? The clay I am using is Amaco High Fire Buff #46 Thank you! Sandi Edited March 1, 2023 by Sandi0720 Quote Link to comment Share on other sites More sharing options...
Min Posted March 2, 2023 Report Share Posted March 2, 2023 Hi Sandi and welcome to the forum. Doesn't look like anyone yet has done this. If you do try it let us know how it turns out. Quote Link to comment Share on other sites More sharing options...
Callie Beller Diesel Posted March 2, 2023 Report Share Posted March 2, 2023 Hi and welcome! What you do to fix any lustre errors will depend on whether it’s fired on yet or not. If it’s already fired on, you can remove it by mechanical means rather than having to re-fire. In fact, that’s what I’ve heard most china painters recommend. Leaving trace amounts of lustre behind via fingerprint is easy to do, and the purple smudges show up after the firing. They make lustre erasers because of this that don’t scratch the glaze and they’re about $15-20 online or from your supplier. I’ve seen people also recommend Barkeeper’s Friend, but I haven’t tested that one personally. If you need to remove fired lustre from the unglazed part of the piece, I’ve done it with just 220 grit wet/dry sand paper and some elbow grease. This is not a fast job if your clay is mature. Line up a good podcast/audiobook. If the lustre hasn’t been fired yet, remove as much as you can with lustre essence. You’ll still probably have to follow up with one of the abrasives mentioned above, but you won’t go through nearly as much of your audiobook. Quote Link to comment Share on other sites More sharing options...
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