The Firing Course of for Making Ceramics

Glaze Firing

Ceramic glaze is an impervious layer or coating utilized to bisqueware to color, adorn, or waterproof an merchandise. For earthenware, corresponding to fired clay pottery, to hold liquid, it needs a glaze.

Potters apply a layer of glaze to the bisqueware, depart it to dry, then load it inside the kiln for its final step, glaze firing.

The glazed merchandise is rigorously loaded into the kiln for the glaze firing. It shouldn’t contact totally different pots or the glazes will soften collectively, fusing the pots fully. The kiln is heated slowly to the appropriate temperature to ship the clay and glazes to maturity, then it is slowly cooled as soon as extra. The kiln is opened and unloaded after it has cooled absolutely.

This second kiln firing causes a distinctive change inside the clay and glaze. It completes the transformation of pots from a young, fragile substance to 1 that is rock-hard and impervious to water and time.