Comparative Study of the Thermal Shock Resistance of an Industrial Tableware Porcelain

Table 1

Chemical composition (wt.%) of the glazed layers.

Family	SiO2	Al2O3	TiO2	Fe2O3	MgO	CaO	Na2O	K2O
230	72,29	12,48	0,90	0,54	2,51	6,45	0,56	4,27
302	66,90	17,20	0,90	0,54	2,22	7,70	0,45	4,09