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^6 clear glaze

updated sat 1 nov 97

 

Martin A. Arkowitz on fri 31 oct 97

here is a clear glaze that i got years ago from ceramic monthly. i found it in
an article by dorothy haffner. it is a ^5 - 7 oxidation. it works very well
over underglazes. it has never crazed over porcelain, but i have never tried
it over stoneware.
Gerstley borate........50 gms
EPK............................17.5 gms
Flint............................32.5gms
i use it very thinly on bisqued ware.
eleanor arkowitz


Original message----------------------------
Hi- I having a very difficult time locating a clear ^6 glaze with no zinc
in it. (the zinc reacts with my engobes) I have been buying a commercial
clear, but it is very costly. The original clear I was using only goes up
to ^4, at ^5 it crawls and destroys the brushwork under it.
Any recipes any one would like to share I would appreciate! TIA !
Kathy Chase kmchase@capecod.net