Classification of Ceramic Products

Ceramic products are frequently classified into two groups on the basis of their chemical composition (Fig. 5.5-1)  

Quantitywise clay ceramic products are the industrially more important. 

Within both groups the bulk homogeneity is an important distinguishing characteristic, fine ceramic products have grains less than 0.2 mm in size, whereas coarse ceramics have larger pores and crystal sizes. 

Ceramic products can be further classified on the basis of their porosity (porous to nonporous). 

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