Debbie Jestin on mon 10 dec 01
I've been looking for a cone 6 dark brown glaze that is food safe. I checked
the archives and found receipes for Albany Slip substitutes. An example is
80 Albany Slip 10 Gerstley Borate 10 Neph Sy. Would this work as glaze at
cone 6?
Ababi on mon 10 dec 01
In my kiln it would not melt, I might get a nice matte glaze at ^6
ALBANY SLIP......... 80.00 80.00%
NEPHELINE SYENITE... 10.00 10.00%
GERSTLEY BORATE..... 10.00 10.00%
========
100.00
CaO 0.48* 7.62%
MgO 0.25* 2.83%
K2O 0.13* 3.40%
Na2O 0.14* 2.52%
TiO2 0.02 0.36%
Al2O3 0.55 15.83%
B2O3 0.17 3.25%
SiO2 3.50 59.49%
Fe2O3 0.10 4.70%
Text1 3.90
Si:Al 6.38
SiB:Al 6.68
Expan 7.12
You can try it this way
Untitled Recipe 2
=================
ALBANY SLIP......... 70.00 68.76%
LAGUNA BORATE....... 30.00 29.47%
RIO................. 1.80 1.77%
========
101.80
CaO 0.60* 11.60%
MgO 0.21* 2.87%
K2O 0.09* 2.91%
Na2O 0.10* 2.13%
TiO2 0.01 0.32%
Al2O3 0.40 13.90%
B2O3 0.45 10.72%
SiO2 2.42 49.83%
Fe2O3 0.10 5.72%
Text1 5.90
Si:Al 6.08
SiB:Al 7.21
Expan 7.29
This is a fast recipe not real convert ion
If you do not have Laguna b. you can use 20% GB and ten frit 3110 or
cryolite.
the 1.8% RIO is to keep the original color
Ababi Sharon
Kibbutz Shoval- Israel
Glaze addict
ababisha@shoval.org.il
http://members4.clubphoto.com/ababi306910/
http://www.milkywayceramics.com/cgallery/asharon.htm
http://www.israelceramics.org/
---------- Original Message ----------
>I've been looking for a cone 6 dark brown glaze that is food safe. I
>checked
>the archives and found receipes for Albany Slip substitutes. An example
>is
>80 Albany Slip 10 Gerstley Borate 10 Neph Sy. Would this work as glaze
>at
>cone 6?
>________________________________________________________________________
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