Alisa Liskin Clausen on thu 13 jun 02
Glaze test for Butter Satin Gloss, cone 6, ox.
Glaze tested on white midrange stoneware fired in electric oxidation to =
1220c.
Source: Clayart
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)
cool down max. per hour to 900c (1652f)
hold for one hour at 900c
shut off kiln
Recipe:
36 Custer Feldspar
20 Frit 3124
16 Talc
20 EPK
8 Wollastonite
ADD
3 Tin oxide
5 Rutile
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 precent =
to the 100 gram test batch.
Substitutions: Frit 623 for Frit 3124
Results:
Smooth, Rutile yellow/beige gloss. On test with clay that has iron =
flecks, flecks were very visible under glaze. Where the glaze is =
thinner,
it is overall slightly more beige than yellow. Where thickets, it =
becomes a lighter, brighter yellow. Where thick and thin meet, there =
are=20
smooth streaks of yellow. Very well melted.
with ADDitives=20
5 Rutile, 10 Titanium oxide
same as above, but slightly less streaking, slightly less white in outer =
edges of streaks.
with ADDitives=20
10 Rutile, 20 Titanium oxide
Same as above but glaze is stiffer. No streaking.
Regards from Alisa in Denmark
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