Alisa Liskin Clausen on tue 9 may 06
Glaze test for Turnidge/MFE Crystalline Glaze, cone 6, ox.
Source: Clayart, Bill Sheppard
Credited to:
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 1 hour
Shut off kiln
Recipe:
50 Frit 3110 subbed local high boron frit which is half the glaze,
but that is what I have.
22.5 Zinc Oxide
22.5 Silica
5 Lithium Carb.
Note: All raw materials are measured up or down to the nearest half
decimal. Colorants or additives to a 100 gram batch are measured in percent
to the 100 gram batch.
Results:
Gloss, transparent glaze with stark white streaking. White cyrstals
developed around edges of test tile, which is an extruded square tube.
Runny. Glaze is crazed.
With Added Nikkel, 2 percent:
Gloss, transparent glaze with softer white and pink streaking. Bright blue
crystals along edges of test tile and bottom dipping line. Runny. Glaze is
not crazed.
Regards from Alisa in Denmark
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