Alisa Clausen on wed 2 may 07
Glaze test for Green Dragon Matt Glaze, Cone 6, Ox.
Source: Ceramic Arts Buyers Guide, 2007
Credited to: Harry Spring
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.
Substitutions in this test: Frit 3134 subbed with local Boron Frit,
Feldspar used is Forshammer, Boron Frit is subbed for Gerstley Borate. All
substitutions are done not by Mol. Wts., but gram for gram.
8 Zinc Oxide
44 Cornwall Stone
4 Titanium Dioxide
4 Copper Carbonate
Mat, green where thickest, browner where thinner. Glaze surface is streaked
and mottled with green streaking over brown and orange brown mottling. A
lot of movement and surface variation, without dripping.
Best regards from Alisa in Denmark