Synthetic diamond powder is widely applied to such fields as machinery, electron, spaceflight, aeronautics, optical instrument, glass, ceramics, petroleum and geology and is ideal materials for grinding and finishing high-hard material such as carbide alloy, ceramics, jewel and optical glass.

National standard	Company standard	National standard	Company standard
0-0.5	W0.5	4-8
0-1	W1	5-10	W10
0.5-1		6-12
0.5-1.5	W1.5	8-12	W14
0-2	W2.5	10-20	W20
1.5-3	W3.5	12-22
2-4		20-30
2.5-5	W5	22-36	W28
3-6	W7	36-54	W40