Alisa Clausen on wed 27 feb 08
Glaze test for Sea Green, Tom Buck, ^6 ox.
Source: Clayart
Credited to: Tom Buck
Fired on mid fire white stoneware
Firing ramp with an electric controller is:
100c p/h to 600c (212f - 1112f)
150c p/h to 1140c (302f - 2084f)
80c p/h to 1220c (176f - 2228f)
15 min. soak
cool down max. to 900c (1652f)
Hold 30 minutes
Shut off kiln
Colorants or additives to a 100 gram batch are measured in percent to the
100 gram batch.
Standard Substitutions in all tests:
Local Boron Frit is used for Frit 3134
Forshammer (a half and half Potash and Soda spar) is the only Feldspar used
Local Boron Frit is used for Gerstley Borate
All substitutions are done not by Mol. Wts., but gram for gram.
Recipe Name: Sea Green, Tom Buck
Cone: 6 Color:
Firing: Surface: Glossy
Amount Ingredient
35 Feldspar--G-200
22 Wollastonite
12 Ball Clay--Old Mine #4
19 Silica
12 Zinc Oxide
100 Total
Additives
2 Copper Carbonate
1 Rutile
2 Bentonite
Unity Oxide
.048 Na2O
.106 K2O
.024 MgO
.441 CaO
.381 ZnO
1.000 Total
.259 Al2O3
.004 Fe2O3
2.598 SiO2
.005 TiO2
10 Ratio
7.2 Exp
Comments:
Gloss, light green to turquoise glaze. Many tiny white crystals under the
glossy shell overall.
Dolita Dohrman on wed 27 feb 08
Just an little note here...I use this often in my studio. Tom gave
me this glaze the year of NCECA in Indianapolis. I slow cool it and
will often get shadows in the glaze which looks great. Can form blue
crystals where it pools but is an overall soft green.
Here's to you, Sweet Alisa!
Dolita
On Feb 27, 2008, at 7:59 AM, Alisa Clausen wrote:
> Glaze test for Sea Green, Tom Buck, ^6 ox.
>
> Source: Clayart
>
> Credited to: Tom Buck
>
> Fired on mid fire white stoneware
>
> Firing ramp with an electric controller is:
> 100c p/h to 600c (212f - 1112f)
> 150c p/h to 1140c (302f - 2084f)
> 80c p/h to 1220c (176f - 2228f)
> 15 min. soak
> cool down max. to 900c (1652f)
> Hold 30 minutes
>
> Shut off kiln
>
> Colorants or additives to a 100 gram batch are measured in percent
> to the
> 100 gram batch.
> Standard Substitutions in all tests:
> Local Boron Frit is used for Frit 3134
> Forshammer (a half and half Potash and Soda spar) is the only
> Feldspar used
> Local Boron Frit is used for Gerstley Borate
> All substitutions are done not by Mol. Wts., but gram for gram.
> Recipe Name: Sea Green, Tom Buck
> Cone: 6 Color:
> Firing: Surface: Glossy
> Amount Ingredient
> 35 Feldspar--G-200
> 22 Wollastonite
> 12 Ball Clay--Old Mine #4
> 19 Silica
> 12 Zinc Oxide
> 100 Total
> Additives
> 2 Copper Carbonate
> 1 Rutile
> 2 Bentonite
> Unity Oxide
> .048 Na2O
> .106 K2O
> .024 MgO
> .441 CaO
> .381 ZnO
> 1.000 Total
> .259 Al2O3
> .004 Fe2O3
> 2.598 SiO2
> .005 TiO2
> 10 Ratio
> 7.2 Exp
>
> Comments:
>
> Gloss, light green to turquoise glaze. Many tiny white crystals
> under the
> glossy shell overall.
>
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