What is Vitrification
Vitrification occurs during the firing when the clay is physically changed. When the clay is changed it melts the glass formers in clay which allows it to become impervious to …
How to test for shrinkage and absorption rates
Clay shrinks when it dries, gets bisque fired, and again during the glaze firing. Whenever you make a new batch of clay or buy premixed commercial clay you should test …
