Alisa Clausen on tue 29 apr 03
Glaze test for Wags Waxy White, cone 6 ox. =20
Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.
Source:
Credited to:
Firing ramp:
100c p/h to 600c (212f - 1112f)
150c p/h to 1100c (330f - 2012f)=20
100c p/h to 1220c (212f - 2228f)
5 min. soak
cool down 80c per hour to 800c
shut off kiln
Recipe:
10 Frit 3134
10 Gerstely Borate
14 Custer Spar
24 Wollastonite
23 EPK
19 Flint
ADD
7.5 Zircon
Note: All raw materials are measured up or down to the nearest whole =
decimal. =20
Colorants or additives to a 100 gram test batch are measured in percent =
to the 100 gram test batch.
Substitutions:
Local Frit for 3134
Local Frit for Gerstely Borate
Local Feldspar for Custer
added 0,8% Ball Clay to the 20 combined grams of Local Frit
to give an added 15 gram of Ball Clay
Results:
A white gloss glaze, smooth but not waxy. My actual recipe strayed from =
the original due to the different frit used for the 3134 and
again to sub. for G.B. The addition of Ball Clay did not matte the =
gloss surface.
Ron Roy's Revision
11,34 Talc
23 Frit 3134
7.6 Custer Spar
23 Wollastonite
28 EPK
17.5 Flint
subbed local frit for 3134
resulted in a clear gloss, yellow tinged.
Stripes of oxides under glaze, top recipe, all showed well through and =
true to color. Chrome stayed green,
but slightly browner than in raw form.
Regards from Alisa in Denmark
| |
|
