Defining the Quality of ceramics: grade A, B, C

The quality of ceramics is defined by giving a grade ranging from A, B and C.

• Quality of ceramics Grade A: If there is nothing exceeding 24 kinds of defects on the product, the product is considered an excellent product.
• Quality of ceramics Grade B: It is classified between Grade A and Grade C. It can accept 2-4 defects from the listed defects mentioned above.
• Quality of ceramics Grade C: If there are 6 or more kinds of the above mentioned 24 variations of product defects.