Mold Finish Cross Reference Chart
|
Type of Finishes
|
Current SPI
Finish Numbers
|
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
|