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glaze test for satin mat clear r-1002, cone 6, ox.

updated thu 3 may 07


Alisa Clausen on wed 2 may 07

Glaze test for Satin Mat Clear R-1002, Cone 6, Ox.

Source: Ceramic Arts Buyers Guide, 2007

Credited to: Wayne Bates, to use over his engobes.

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.

Amount Ingredient
9 Gerstley Borate--1999
14 Strontium Carbonate
14 Wollastonite
35 Nepheline Syenite
9 Kaolin--EPK
19 Silica

100 Total

Unity Oxide
.189 Na2O
.055 K2O
.02 MgO
.439 CaO
.298 SrO
1.000 Total

.382 Al2O3
.104 B2O3
.003 Fe2O3

2.795 SiO2
.001 TiO2
0 P2O5

7.3 Ratio
7.8 Exp
Gloss, transluscent glaze.

Best regards from Alisa in Denmark