
Firing Clay: Ten Basics of Firing Electric Kilns
Dec 10, 2021 · Firing Clay From Mud to Ceramic. Firing converts ceramic work from weak clay into a strong, durable, crystalline glasslike form. Ceramic work is typically fired twice: it is bisque fired and then glaze fired. The goal of bisque firing is to convert greenware to a durable, semivitrified porous stage where it can be safely handled during the glazing and decorating process.