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human ashes in clay body/glaze
has anybody have iny info on incorporating human ashes into clay bodies
or glaze formulatiions? I asume I could sub them for a bone ash flux in a tomoku, but I dont want to do a whole pile of test tiles... anyway, did I mention I have some VERY odd customers? |
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human ashes in clay body/glaze
not such an odd question. it has been asked and answered here before. I
googled this group and cut/pasted two items below. I don't think your customers are very odd. I will probably blend my parents ashes and glaze vessels for all my sibs. If we could afford it we'd do this.. www.lifegem.com moose hunter wrote: has anybody have iny info on incorporating human ashes into clay bodies or glaze formulatiions? I asume I could sub them for a bone ash flux in a tomoku, but I dont want to do a whole pile of test tiles... anyway, did I mention I have some VERY odd customers? Steve Mills View profile More options Jul 8 2001, 2:24 pm Newsgroups: rec.crafts.pottery From: Steve Mills Date: Sun, 8 Jul 2001 20:21:20 +0100 Local: Sun, Jul 8 2001 2:21 pm Subject: Using Ashes for Glaze Paul Soldner wrote an article in one of the American Mags on trying to glaze with human ash; he found it almost impossible to make a successful glaze with it, but found it good for decorating with (I think) under a reliable transparent glaze. From another source I have the following analysis (allegedly) of human ash: CaO 39.0% P2O5 50.2% K2O 4.8% Na2O 3.8% MgO 0.9% SiO2 1.1% Fe2O3 0.2% ZnO 0.1% Loss on ignition 94.8% Hope this helps Steve Bath UK ============================ My analysis for Pet Ash, carried out by CERAM at Stoke on Trent, was:- Silica SiO2 1 Titania TiO2 .15 Alumina Al2O3 .6 Ferric Oxide Fe2O3 1 Lime CaO 45 Magnesia MgO 1.4 Potash K2O 11 Soda Na2O 4.5 Chromium Sesquioxide Cr2O3 .02 Cupric Oxide CuO .03 Manganic Oxide Mn3O4 .06 Phosphorus Pentoxide P2O5 28 Sulphur Trioxide SO3 .3 Zinc Oxide ZnO .25 Zirconia ZrO2 .2 LOI 6.66 Total 100 It does make glazes opaque, even over red earthenware. |
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