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re; cone 6 iron red glaze

updated tue 2 nov 10

 

Anne Doyle on thu 28 oct 10


here's the one i developped=3D2C works well on my clay and as with all glaz=
es=3D
=3D2C test it on your clay...
=3D20
it doesn't need a long soak on the cool down and can be fired anywhere betw=
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een hard cone 5 to a hard cone 6:
please=3D2C if you use it post your results...






Recipe Name: Anne's Righteous RED
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Cone: 6 Color: red mottled with khaki & gold=3D20
Firing: Oxidation Surface: Semiglossy
NOTE: increased bone ash to 6% and did not redo the run through the program=
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afterwards...=3D20
it holds its inron and passes vinegar test fine. I included iron in the ori=
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ginal calculations because of the flux=3D2C...
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Amount Ingredient
24.5 Gerstley Borate--9/97
24.5 Silica
5 Kaolin--EPK
16.5 Feldspar--Kona F4
12.3 Talc
2.3 Alumina--Calcined
12.5 Iron Oxide--Red
6.0 Bone Ash
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104 Total
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Unity Oxide
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.251 Al2O3
.=3D20
2.563 SiO2
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10.2 Ratio
69.9 Exp
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Comments: Lee Bedford called this a righteous red iron=3D20
glaze when she saw it... maybe i'll call it that
-----------------------------------
Calculations by GlazeMaster=3D99
www.masteringglazes.com





"I expect to pass through life but once.
If therefore=3D2C there be any kindness i can show=3D2C=3D20
or any good thing i can do to any fellow being=3D2C=3D20
let me do it now=3D2C and not defer or neglect it=3D2C=3D20
as i shall not pass this way again." William Penn



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Heather Bessey on mon 1 nov 10


Thank you Annie. I didn't try your recipe in part because I am unfamiliar =
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with Alumina--calcined. I did use the C Harris Tenmoku posted on the list =
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recently. That glaze had the unity formula listed and was very similar to B=
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ob's Deep River Red that I didn't have the ratio and exp for. C Harris Ten=
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moku called for ball clay and the Bob's Deep River Red used EPK. I did pre=
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fer the Bob's=3D2C it was more red and had almost metallic sparkels. Would=
t=3D
he EPK brighten the glaze? I did use the some cooling rate.
Heather
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> Date: Thu=3D2C 28 Oct 2010 07:50:09 -0400
> From: annied01@HOTMAIL.COM
> Subject: Re=3D3B cone 6 iron red glaze
> To: Clayart@LSV.CERAMICS.ORG
>=3D20
> here's the one i developped=3D2C works well on my clay and as with all gl=
az=3D
es=3D2C test it on your clay...
>=3D20
> it doesn't need a long soak on the cool down and can be fired anywhere be=
=3D
tween hard cone 5 to a hard cone 6:
> please=3D2C if you use it post your results...
>=3D20
>=3D20
>=3D20
>=3D20
>=3D20
>=3D20
> =3D