Type of Finishes |
Current SPI |
Roughness Comparison R.A. |
|
---|---|---|---|
Diamond |
#3 Diamond Buff |
A1 |
0-1 |
#6 Diamond Buff |
A2 |
1-2 |
|
#15 Diamond Buff |
A3 |
2-3 |
|
Paper |
600 Grit |
B1 |
2-3 |
400 Grit |
B2 |
4-5 |
|
320 Grit |
B3 |
9-10 |
|
Stone |
600 Stone |
C1 |
10-12 |
400 Stone |
C2 |
25-28 |
|
320 Stone |
C3 |
38-42 |
|
Dry Blasted |
#11 Glass Bead |
D1 |
10-12 |
240 Aluminum Oxide Blast |
D2 |
26-32 |
|
#24 Aluminum Oxide Blast |
D3 |
190-230 |