Joenix Posted September 15, 2016 Report Share Posted September 15, 2016 Hello, I know very little about glaze software, and prefer to concentrate on sculpting. I would like to test a US glaze recipe, but with ingredients available in the EU. Would someone be able to convert the following into the correct percentages? I have put the substitute ingredients available to me in brackets: EPK (kaolin) 20 Silica (I have this) 20 Wollastonite (I have this) 20 Ferro frit 3134 (borax frit P2957) or ('standard borax frit) 20 Custer feldspar (potash) 20 I think the problem will mainly be in the conversion of the ferro frit. This is Yoko Sekino Bové's Leaf Green glaze, which I'd like to play around with. But if someone could do all the really intricate calculations for me, that would be brilliant! I would like to just fiddle about with colour, and not with consistency and opacity etc. Thank you, Sarah. Link to comment Share on other sites More sharing options...
neilestrick Posted September 15, 2016 Report Share Posted September 15, 2016 You'll need to pick a specific feldspar to substitute for Custer. Potash, as a generic term, refers to a water soluble form of potassium, which is not used in glazes. Link to comment Share on other sites More sharing options...
Pieter Mostert Posted September 15, 2016 Report Share Posted September 15, 2016 I've reformulated the recipe using the Potash Feldspar I use and EPK for kaolin, since I don't know the composition of the ones you use. So this may not work for you, but could be a starting point if you can't find more info about your potspar and kaolin. Kaolin 17 Silica 22.5 Wollastonite 21 BPS Standard Borax Frit 26 Potash Feldspar 13.5 Link to comment Share on other sites More sharing options...
Joenix Posted September 15, 2016 Author Report Share Posted September 15, 2016 Thank you so much! Will use it as a starting point. And will try to get the exact make up of the potash and kaolin. Link to comment Share on other sites More sharing options...
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