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glaze test for edwards slip glaze, cone 6, ox. and colorants

updated mon 23 oct 06


Alisa Liskin Clausen on sun 22 oct 06

Glaze test for Edwards Slip Glaze, cone 6, ox. and colorants

Source: Clayart

Credited to: Bill Edwards

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


40 Ball Clay

30 Frit 3124 (subbed local Boron Frit)

20 Dolomite

10 EPK

100 gram

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.


Silk mat, opaque cream colored glaze. Smooth surface.


3 Cobalt Carb.

Light blue grey, same surface as above

10.5 RIO

2.5 Cobalt Carb.

Deep black, same surface as above

Regards from Alisa in Denmark