
Application | Micron Range (µ) | Mesh Size | Color | |
Extra Fine, Applying finest finishes on metals and ceramics
|
0.25 (0~0.5) 0.5 (0~1) 1 (0~2) 2 (1~3) |
#100,000 #60,000 #14,000 #11,000 |
Grey Light Grey Ivory Ivory |
|
Super Fine, Final finishing for dies, molds, seals (RMS 4-12 m)
|
3 (2~4) 4.5 (3~6) 6 (4~8) 9 (6~12) 12 (8~15)
|
#8,000 #5,000 #3,000 #1,800 #1,500
|
Light Yellow Yellow Orange Light Green Green
|
|
Fine finishing preparatory lapping (RMS 12-20 m)
|
15 (10~20) 20 (15~25) 25 (20~30) 35 (30~40) 40 (38~45) 76 (65~85) 91 (75~97)
|
#1,200 #1,000 #800 #600 #400 #200 #170
|
Light Blue Blue Aubum Red Purple Black Black
|

Standard Grades Micron Sizes |
U.S.B.S. Grade |
Equivalent F.E.P.A. |
Mesh Size Equivalent |
0-1/2 micron | #100,000 | ||
0-1 micron | 1/2 | #50,000 | |
0-2 micron | 1 | M1.0 | #14,000 |
1-2 micron | M1.6 | #13,000 | |
2-3 micron | M2.5 | #12,000 | |
2-4 micron | 3 | M4.0 | #8,000 |
3-6 micron | #5,000 | ||
4-8 micron | 6 | M6.3 | #3,000 |
5-10 micron | #2,200 | ||
6-12 micron | 9 | M10 | #1,800 |
8-15 micron | #1,500 | ||
10-20 micron | M16 | #1,200 | |
12-22 micron | 15 | #1,100 | |
15-25 micron | #1,000 | ||
15-30 micron | #900 | ||
20-30 micron | M25 | #800 | |
22-36 micron | 30 | #700 | |
30-40 micron | M40 | #600 | |
30-60 micron | #500/600 | ||
36-54 micron | 45 | #500 | |
40-60 micron | #400/500 | ||
54-80 micron | 60 | M63 | #325/400 |
60-100 micron | #270/325 |