Introduction to Ceramic Identification – Historical …
Fired at temperatures of 1100-1200° C hard and compact, only slightly porous, compaction texture may be visible, thin and cream to white in color. Usually lead-glazed. Porcelain: Fired at temperatures of 1300-1450° C very hard, compact and vitreous, white to bluish-white in color. Sometimes lead-glazed. The next step involves the surface treatment.