Mitsuya Limited
600 Srinakarin Road, Suanluang Suanluang Bangkok 10250 Thailand.
Tel. (662) 322-3333 Fax. (662) 322-3400
E-mail :
Service@emitsuya.com
www.emitsuya.com
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Structure

The volume ratio of abrasive grains to the total volume of a grinding wheel is called the "percentage of
grain." The density of the structure depends upon this percentage.

Structures 0 to 4 are referred to as dense, 5 to 9 are referred to as medium, and 10 to 14 are referred to as coarse.

Dense Medium Coarse
Structure 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Percentage of grain(%) 62 60 58 56 54 52 50 48 46 44 42 40 38 36 34