Allyson May on wed 22 feb 06
Hey Dawn,
I have a SUPER ^6 cobalt blue. I found it in the archives (I think). =
Its called Wayne's Blue and it is the best deep cobalt blue I have seen. =
Lots of depth, shiny, killer surface, breaks transparent on ridges and =
texture. Customers love it. I fire to ^6 on Laguna's ^6 porcelain =
using RR and John's slow cool firing schedule. Who ever Wayne is; =
thanks! Here is the recipe:
Wayne's Blue
Kona F4 44.0
Gerstley Borate 26.0
OM4 (Ball Clay) 15.0
Silica 10.0
Dolomite 5.0=20
100.00
Add:
Cobalt carbonate 6.0
Hope this one helps.
Peace,
Allyson May
Stoney Creek Pottery
Bloomington,IN
Barb Lund on wed 22 feb 06
I can vouch for Allysons cobalt blue! It is fabulous on her porcelain!
barb from Bloomington, as well
Ron Roy on thu 23 feb 06
This looks like an even more stable glaze - and the expansion is low enough
that it will not craze on many clay bodies.
Still - not many glazes will hold that much cobalt in them when next to food.
RR
>I have a SUPER ^6 cobalt blue. I found it in the archives (I think). Its
>called Wayne's Blue and it is the best deep cobalt blue I have seen. Lots
>of depth, shiny, killer surface, breaks transparent on ridges and texture.
>Customers love it. I fire to ^6 on Laguna's ^6 porcelain using RR and
>John's slow cool firing schedule. Who ever Wayne is; thanks! Here is the
>recipe:
>
>Wayne's Blue
>
>Kona F4 44.0
>Gerstley Borate 26.0
>OM4 (Ball Clay) 15.0
>Silica 10.0
>Dolomite 5.0
> 100.00
>
>Add:
>Cobalt carbonate 6.0
Ron Roy
RR#4
15084 Little Lake Road
Brighton, Ontario
Canada
K0K 1H0
Phone: 613-475-9544
Fax: 613-475-3513
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