Grit size |
CBN contents, % |
Marking |
CBN weight in carats in one 100 gr tube |
125/100 and higher |
NOM, POM |
||
50/40 – 100/80 |
NOM, POM |
||
60/40 – 40/28 |
20 |
MNO |
100 |
40 |
MPO |
200 |
|
60 |
МVО |
300 |
|
28/20 |
10 |
MNO |
50 |
20 |
MPO |
100 |
|
40 |
МVО |
200 |
|
20/14 – 14/10 |
8 |
MNO |
40 |
10 |
MPO |
50 |
|
20 |
МVО |
100 |
|
10/7- 7/5 – 5/3 |
6 |
MNO |
30 |
8 |
MPO |
40 |
|
10 |
МVО |
50 |
|
3/2 |
4 |
MNO |
20 |
6 |
MPO |
30 |
|
8 |
МVО |
40 |