Alisa og Claus Clausen on fri 12 oct 01
>Glaze test for: Black Friday, cone 6, ox.
>Source: Jeff Zamek
>
>All tests fired on white, mid-range stoneware.
>Fired in to cone 6 (1220c) in oxidation.
>
>Firing ramp:
>100c (212f) per hour to 600c (1112f)
>150c (302f) per hour to 1100c (2012f)
>100c per hour to 1220c (2228f)
>15 - 30 minute soak depending on matts and glosses used.
>
>Recipe:
>20 Nepheline Syenite
>15 Whiting
>18 EPK
>20 3134
>17 Flint
>10 Bone Ash
>
>ADD
>12 Mason Stain #6600
>1 CMC
>
>Note:
>All raw materials measured up or down to nearest whole decimal.
>Oxides used on percent basis to a 100 gram batch of glaze.
>
>Substitutions:
>Local Frit for 3134
>Generic Black stain. Omitted CMC.
>
>Resulted in:
>Semi matt black glaze. Stayed where put and no discernable difference
>where double dipped. Very smooth surface.
>
>Best regards, Alisa
>in Denmark
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Glaze test for:
All tests fired on white, mid-range stoneware.
Fired in to cone 6 (1220c) in oxidation.
Firing ramp:
100c (212f) per hour to 600c (1112f)
150c (302f) per hour to 1100c (2012f)
100c per hour to 1220c (2228f)
15 - 30 minute soak depending on matts and glosses used.
Recipe:
Note:
All raw materials measured up or down to nearest whole decimal.
Oxides used on percent basis to a 100 gram batch of glaze.
Substitutions:
Resulted in:
Best regards, Alisa
in Denmark
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