Carol Durnford on sat 10 aug 96
You probably got the recipe already considering how long it takes me to
research it, but here is the one that we use at the school. Note that this
recipe is set for larger batches and all quantities are in grams.
Sloan's Black
Custer spar 420
Flint 224
Whiting 130
Ball Clay 80
Borax 42
Cobalt Oxide 46
Red Iron Oxide 30
Zinc Oxide 20
Chrome Oxide 10
Good Luck
Dave Durnford
Box 2145
Missoula, Montana 59806
University of Montana Art Department
Durnford@selway.umt.edu
Salvador Acosta on sun 11 aug 96
I MUST HAVE MISSED IT THE FIRST TIME AROUND, BUT I WAS WONDERING WHAT CONE
AND KILN ATMOSPHERE SLOAN'S BLACK IS FIRED TO ?
I HAVE BEEN ENJOYING CLAYART FOR ABOUT 3 WEEKS.
:-)
JULIET
WACO, TEXAS
On Sat, 10 Aug 1996, Carol Durnford wrote:
> ----------------------------Original message----------------------------
> You probably got the recipe already considering how long it takes me to
> research it, but here is the one that we use at the school. Note that this
> recipe is set for larger batches and all quantities are in grams.
>
> Sloan's Black
>
> Custer spar 420
> Flint 224
> Whiting 130
> Ball Clay 80
> Borax 42
> Cobalt Oxide 46
> Red Iron Oxide 30
> Zinc Oxide 20
> Chrome Oxide 10
>
> Good Luck
>
> Dave Durnford
> Box 2145
> Missoula, Montana 59806
>
> University of Montana Art Department
> Durnford@selway.umt.edu
>
Carol Durnford on mon 2 sep 96
>----------------------------Original message----------------------------
>You probably got the recipe already considering how long it takes me to
>research it, but here is the one that we use at the school. Note that this
>recipe is set for larger batches and all quantities are in grams.
>
>Sloan's Black revisited
>
>Custer spar 420
>Flint 224
>Whiting 130
>Ball Clay 80
>Borax 42
>Cobalt Oxide 46
>Red Iron Oxide 30
>Zinc Oxide 20
>Chrome Oxide 10
>
>Good Luck
Sorry I forgot the particulars. And since I have neglected ( because I was
movingwhile working full time) to keep up with the group, I am now looking
at 802 messages, many of which I will not read and will have to pick up the
new threads as they come along. It is also why this response is not more
timely. Sloan's Black is a cone 10 glaze; as I am sure that Vince or
someone in this group has subsequently pointed out. At (10) the glaze is a
thick rich black with a silvery surface finish. At (11) it is a very nice
glossy black of the same thick substance.
ALSO, I remember some past discussion about a source for Gourds for
doing art work. ie. carving, etching designs and blackening them. IF
anyone has that resource written down please E-mail it to my university
address.
>
>Dave Durnford
>Box 2145
>Missoula, Montana 59806
>
>University of Montana Art Department
>Durnford@selway.umt.edu
>
>
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