iandol on thu 21 nov 02
I must correct my last post.
I said that the 0.3 KNaO- 0.7CaO- 0.4Al2O3- 4.0 SiO2 Glaze was based on =
Seger Cone 02a. This is incorrect.
Please delete the 0. The Seger Cone is 2a. It contains 0.1 eq Fe2O3