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2-908-8 Shinmarukohigashi Kawasaki-shi Nakahara-ku Kanagawa-ken 211-0004 JAPAN
Phone: +81-44-433-7171 Fax: +81-44-411-0201

 CONCENTRATION AND BOND COUPLING OF DIAMOND AND cBN ABRASIVE GRAINS

The concentration


The concentration stands for bond abrasive ratio, and the regulation requires 4.4 ct. (0.88g) abrasive per 1 cm cubic bond to be 100%.


Displayed abrasive ratio(%) 150 125 100 75 50 25
Abrasive content(ct.) 6.6 5.5 4.4 3.3 2.2 1.1

The bond coupling


The bond coupling indicates hardness and strength of the bond binding abrasive grains. Based "N"(representing a median,) its hardness is categorized in alphabetical order.






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Oriental Diamond Tool Lab.Ltd.

2-908-8 Shinmarukohigashi Kawasaki-shi Nakahara-ku Kanagawa-ken 211-0004 JAPAN

Phone +81-44-433-7171
FAX +81-44-411-0201