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wood ash vc g4 ; thanks for any info!thanks!

updated fri 22 jun 12

 

Roxanne Hunnicutt on wed 20 jun 12


wrote:

> I have this glaze on a card that someone gave me:
>
> Wood Ash VC g5
>
> wood ash 50
> g. barate 20
> whiting 12
> kaolin 8
> flint 10
> _______
> 100
> Copper OX 1.5
> cobalt carb 1.0
>
> Does anyone know if this works well at Cone six. Oxidation and Reduction?
> Or just reduction?
>

Pottery by John on thu 21 jun 12


Check this link for variations and discussions from the archive at
www.potters.org:

http://www.potters.org/subject74152.htm

http://www.potters.org/subject103401.htm

http://www.potters.org/subject97231.htm

http://www.potters.org/subject37350.htm

Searching these is like mining, you have to scratch away some dirt to find
the jewels. It looks like oxidation or reduction will work. Perhaps the
wood ash is a main determinate in the way the glaze acts.

John Lowes
Sandy Springs, Georgia
http://wynhillpottery.weebly.com/

----- Original Message -----
From: "Roxanne Hunnicutt"
To:
Sent: Wednesday, June 20, 2012 5:29 PM
Subject: WOOD ASH VC G4 ; thanks for any info!THANKS!


> wrote:
>
>> I have this glaze on a card that someone gave me:
>>
>> Wood Ash VC g5
>>
>> wood ash 50
>> g. barate 20
>> whiting 12
>> kaolin 8
>> flint 10
>> _______
>> 100
>> Copper OX 1.5
>> cobalt carb 1.0
>>
>> Does anyone know if this works well at Cone six. Oxidation and Reduction=
?
>> Or just reduction?
>>

Steve Slatin on thu 21 jun 12


=3DA0=3D0A=3DA0=3D0ARoxanne --=3D0A=3DA0=3D0AThis glaze is a Val Cushing gl=
aze; and may b=3D
e found in his=3D0Ahandbook (highly recommended).=3DA0 It should work in Ox=
.=3D0A=3D
or Red. at ^6 or, likely, a little lower.=3DA0 I have no personal =3D0Aexpe=
rien=3D
ce with it.=3DA0 =3D0A=3DA0=3D0AIt is very, very low in Silica and =3DA0Alu=
mina both,=3D
and has=3D0Aan extremely high CTE.=3DA0 I would expect that it runs,=3DA0c=
rackle=3D
s=3D0Alike mad, probably metal mars and is subject to deterioration=3D0Aund=
er a=3D
cid attack=3DA0and would glaze,=3DA0 fire and use accordingly.=3D0AOTOH, so=
me of =3D
those Cushing glazes are beauties and make=3D0Aexcellent overglazes for oth=
er=3D
, more stable glazes.=3D0A=3DA0=3D0A=3D0ASteve Slatin -- =3D0A=3D0A=3D0AN48=
.0886450=3D0AW12=3D
3.1420482=3D0A=3D0A=3D0A________________________________=3D0Acom> wro=3D
te:=3D0A=3D0A> I have this glaze on a card that someone gave me:=3D0A>=3D0A=
> Wood A=3D
sh VC g5=3D0A>=3D0A> wood ash=3DA0 50=3D0A> g. barate=3DA0 20=3D0A> whiting=
=3DA0 12=3D0A> k=3D
aolin=3DA0 8=3D0A> flint 10=3D0A> _______=3D0A> 100=3D0A> Copper OX=3DA0 1.=
5=3D0A> cobalt=3D
carb=3DA0 1.0=3D0A>=3D0A> Does anyone know if this works well at Cone six.=
Oxida=3D
tion and Reduction?=3D0A> Or just reduction?