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Concentration

The concentration shows the quantity of diamond or CBN in the rim and is one of the most important factors. A high concentration means the wheel lasts longer, is harder and more wear resistant. The concentration value 100 is equal to 25 % of the rim volume; each cm3 in the rim contains 4,4 grit carats (1 carat =0,2 g). Starting from this, we can draw the following chart:

 

 

The concentration is chosen according to various criteria, i.e.: bond type, grit-size, grinding-process and
composition of the workpiece.