GRIT TYPE |
Aluminium
Oxide |
Silicon
Carbide |
A |
BC |
WA |
GC |
AWA |
BGC |
PA |
|
RA |
|
SA |
|
AZA |
|
|
A/
AWA |
WA |
BC |
GC/
BGC |
AZA |
PA/
RA |
SA |
12 |
24 |
12 |
20 |
10 |
24 |
46 |
14 |
30 |
14 |
24 |
12 |
30 |
54 |
16 |
36 |
16 |
30 |
16 |
36 |
60 |
18 |
46 |
20 |
36 |
20 |
46 |
80 |
20 |
54 |
24 |
46 |
|
54 |
100 |
24 |
60 |
30 |
54 |
|
60 |
120 |
36 |
80 |
36 |
60 |
|
80 |
150 |
46 |
100 |
46 |
80 |
|
100 |
180 |
54 |
120 |
54 |
100 |
|
120 |
220 |
60 |
150 |
60 |
120 |
|
150 |
|
80 |
180 |
80 |
150 |
|
180 |
|
100 |
220 |
100 |
180 |
|
220 |
|
120 |
240 |
120 |
220 |
|
|
|
150 |
280 |
150 |
240 |
|
|
|
180 |
320 |
180 |
280 |
|
|
|
220 |
400 |
220 |
320 |
|
|
|
280 |
500 |
240 |
400 |
|
|
|
320 |
600 |
280 |
500 |
|
|
|
|
|
320 |
|
|
|
|
|
|
400 |
|
|
|
|
|
|
SOFT |
|
G |
H |
I |
J |
K |
L |
M |
N |
O |
P |
Q |
R |
S |
T |
U |
V |
|
HARD |
|
Compact |
3 |
Normal |
5 |
Porous |
18 |
|
|
V=
vitrified |
|
B=
Resinoid |
|
R=
Rubber |
|
|
|
mps |
20 |
30 |
33 |
35 |
40 |
45 |
50 |
60 |
80 |
|