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glaze, ^6, oxy, cast iron

updated mon 9 apr 01

 

Cindy Strnad on sun 8 apr 01


Cast Iron ^6
Cindy Strnad
==========================
EPK KAOLIN.......... 25.00 19.23%
FLINT............... 25.00 19.23%
FRIT 3134........... 50.00 38.46%
IRON OXIDE RED...... 25.00 19.23%
RUTILE.............. 5.00 3.85%
========
130.00

CaO 0.70* 8.77%
MgO 0.00* 0.02%
K2O 0.00* 0.07%
Na2O 0.30* 4.13%
TiO2 0.22 4.02%
ZrO2 0.00 0.04%
Al2O3 0.33 7.56%
B2O3 0.59 9.23%
P2O5 0.00 0.05%
SiO2 3.45 46.39%
Fe2O3 0.55 19.74%

Cost/kg 2.04
Si:Al 10.42
SiB:Al 12.21
Expan 8.35


This, for those of you who don't recognize it, is the Opal Blue base, with
an addition of prodigous amounts of iron, with a bit of rutile. It looks
like well-seasoned and cared for cast iron. Cool. Probably not what one
wants for the dinner plates, but a neat special effects glaze.

Cindy Strnad
Earthen Vessels Pottery
RR 1, Box 51
Custer, SD 57730
USA
earthenv@gwtc.net
http://www.earthenvesselssd.com