Well I have some good news and some bad news.
The bad news is I used too much chromium in my tests… the tiles came back ranging from the typical dull green of normal chromium, becoming lighter and lighter with each addition of zinc. The best sample was a lime green, but it was very faint. [...]
Glaze Update
Sucuess!
Well I fired the lead glaze test tile as described before. It came out clear, smooth and not bubbly! If it had not come out clear, the alumina would have been too high, and if it had bubbled, the silica would have been too high or the alumina too low. This meas I correctly calibrated [...]
Frit Conversions
Well, sorry I haven’t blogged in a while. I’ve been taking some time off and I didn’t want to bore you all.
So lets talk about lead in ceramics. First of all, know that in glazes there’s three types of materials. First their is Silica (the old name for SiO2), which forms glass when it melts. [...]
