Lili Krakowski on fri 8 oct 10
Dinah writes:
"Also, I think once firing and the subbing of clay for bentonite is not =3D
quite the panacea for converting glaze recipes to once fired recipes. I =3D
studied and made up a couple of Lucie Rie's once fired formulas based on =
=3D
information gleaned from many reference books and even from a photo =3D
taken of several pages from her notebooks which I scrutinized with a =3D
magnifying glass! Certainly a higher percentage of china clay and or =3D
ball clay is necessary. I always put 1.5 to 2% bentonite in all my =3D
glazes. Old habit. Keeps them from settling into a hard pan. "
Dinah: I may havde mis-written...but the suggestion was to use =3D
bentonite instead of clay/kaolin.
In my experience--test,test, test--many high clay glazes, and "all" slip =
=3D
glazes can be used as once fired ones.
Lili Krakowski
Be of good courage
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