粒度

Grit = Micron = Mesh Conversion Chart

Grit	Mesh	Micron
100,000	0- 0.5	1/4
60,000	0-1	1/2
14,000	0-2	1
13,000	1-2	1.5
9,000	2-3	2.5
8,000	2-4	3
5,000	2-6	4
4,500	4-6	5
2,800	5-10	7
1,800	6-12	9
1,400	8-20	14
1,200	10-20	15
1,050	12-25	18
800	20-30	25
600	20-40	30
500	30-40	35
325	40-50	45
285	50-60	55
240	60-80	70
225	80-100	90
160	100-120	110
100	120-160	150