Len Cockman on tue 10 oct 06
Catherine:
If you are using amaco velvet underglazes you can take them up to ^10 no problemo. Might be an interesting new look for your work.
Len
From: Catherine <ncwhite@ADELPHIA.NET>
Reply-To: Clayart <CLAYART@LSV.CERAMICS.ORG>
To: CLAYART@LSV.CERAMICS.ORG
Subject: Firiing ^10 at ^06???
Date: Tue, 10 Oct 2006 00:23:56 -0700
>I have a few hundred pounds of ^10 clay.
>I'm now firing bisque to ^06 to ^04 and using underglazes and glazes in the
>^04 range. I make only sculptural type pieces.
>If I use my ^10 clay at these temps, will it be too fragile?
>
>Thanks for any assistance.
>
>Catherine in Yuma, AZ returning after a long hiatus.
>
>______________________________________________________________________________
>Send postings to clayart@lsv.ceramics.org
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Catherine on tue 10 oct 06
I have a few hundred pounds of ^10 clay. =0D
I'm now firing bisque to ^06 to ^04 and using underglazes and glazes in t=
he
^04 range. I make only sculptural type pieces. =0D
If I use my ^10 clay at these temps, will it be too fragile? =0D
=0D
Thanks for any assistance.=0D
=0D
Catherine in Yuma, AZ returning after a long hiatus.
Ron Roy on wed 11 oct 06
Hi Cathrine,
Cone 10 clay at cone 04 will be a little more fragile than some earthenware
clays - you can judge for yourself by firing both to cone 04 and testing to
see the difference.
Perhaps firing the cone 10 clay to a higher cone - like cone 2 - certainly
would make a big difference.
Keep in mind - firing any clay high enough to enable mullite formation will
make it much stronger. At cone 2 mullite will just be starting to form.
You could then glaze and refire to cone 04.
RR
>I have a few hundred pounds of ^10 clay.
>
>I'm now firing bisque to ^06 to ^04 and using underglazes and glazes in the
>^04 range. I make only sculptural type pieces.
>
>If I use my ^10 clay at these temps, will it be too fragile?
>
>
>
>Thanks for any assistance.
>
>
>
>Catherine in Yuma, AZ returning after a long hiatus.
Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Catherine on mon 16 oct 06
Interesting..... bisque-firing it to ^2, then glazing. =0D
I thought ^2 would be too dense to accept glaze. =0D
If this works, it will solve my problem.=0D
Then........... when I buy more clay, I'll get the right one.=0D
BTW, some of my clay is purchased paper clay. =0D
Will the same criteria apply to it.=0D
Again, thanks from=0D
Catherine in Yuma, AZ =0D
=0D
-------Original Message-------=0D
=0D
From: Ron Roy=0D
Date: 10/11/06 14:54:52=0D
To: CLAYART@LSV.CERAMICS.ORG=0D
Subject: Re: Firiing ^10 at ^06???=0D
=0D
Cone 10 clay at cone 04 will be a little more fragile than some earthenwa=
re=0D
clays - you can judge for yourself by firing both to cone 04 and testing =
to=0D
see the difference.=0D
=0D
Perhaps firing the cone 10 clay to a higher cone - like cone 2 - certainl=
y=0D
would make a big difference.=0D
=0D
Keep in mind - firing any clay high enough to enable mullite formation wi=
ll=0D
make it much stronger. At cone 2 mullite will just be starting to form.=0D
=0D
You could then glaze and refire to cone 04.=0D
=0D
RR=0D
=0D
=0D
=0D
>I have a few hundred pounds of ^10 clay.>=0D
>I'm now firing bisque to ^06 to ^04 and using underglazes and glazes in =
the=0D
>^04 range. I make only sculptural type pieces.>=0D
>If I use my ^10 clay at these temps, will it be too fragile?>=0D
>Catherine in Yuma, AZ returning after a long hiatus.=0D
=0D
Ron Roy=0D
RR#4=0D
15084 Little Lake Road=0D
Brighton, Ontario=0D
Canada=0D
K0K 1H0=0D
=0D
_________________________________________________________________________=
____
=0D
Send postings to clayart@lsv.ceramics.org=0D
=0D
You may look at the archives for the list or change your subscription=0D
settings from http://www.ceramics.org/clayart/=0D
=0D
Moderator of the list is Mel Jacobson who may be reached at melpots@pclin=
k
com.=0D
=20
Catherine on mon 16 oct 06
Len, =0D
=0D
In fact, the brilliant colors of the Amaco Velvets are why I'm playing wi=
th
the lower temperatures. You've fired them to ^10? I'll try that.=0D
=0D
Thanks,=0D
Catherine =0D
=0D
-------Original Message-------=0D
=0D
From: Len Cockman=0D
Date: 10/11/06 04:47:56=0D
To: CLAYART@LSV.CERAMICS.ORG=0D
Subject: Re: Firiing ^10 at ^06???=0D
=0D
Catherine: =0D
If you are using amaco velvet underglazes you can take them up to ^10 no
problemo. Might be an interesting new look for your work.=0D
Len
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