Published in "Red and Orange Glazes" by Linda Bloomfield, in the Sep/Oct 2012 issue of Pottery Making Illustrated.
Calcium borate frit is an English frit similar in composition to colemanite with some added silica. American frits such as Ferro 3124, 3134, or 3195 can be substituted but they contain less boron and more silica. 'Borax frit' contains sodium, calcium, and boron similar to Gerstley borate and can be substituted with Ferro 3124 or 3134.
This item will be permanently deleted and cannot be recovered. Are you sure?
Once you submit this recipe for moderation you will no longer be able to edit its content.
Leave a Reply
You must be logged in to post a comment.
Send this to a friend