Comparison Chart of Grit Size
|
Grit Sizes
For Standard |
Grit sizes
China Standard |
Code for Dry
Sanding Cloth |
Code for Waterproof
Sanding Paper |
Finish |
|
JB3630-84 |
GB2477-83 |
-- |
-- |
|
|
P16 |
16 |
-- |
-- |
Extra
rough sanding |
|
P20 |
20 |
-- |
-- |
|
22 |
** |
-- |
|
P24 |
24 |
4# |
-- |
|
P30 |
30 |
-- |
-- |
Rough sanding |
|
P36 |
36 |
3-1/2# |
-- |
|
P40 |
40 |
3# |
-- |
|
46 |
2-1/2# |
-- |
|
P50 |
54 |
-- |
-- |
Medium sanding |
|
P60 |
60 |
2# |
-- |
|
P70 |
70 |
-- |
80# |
|
P80 |
80 |
1-1/2# |
100#, 120# |
|
P100 |
90 |
-- |
-- |
|
P120 |
100 |
1# |
150# |
|
120 |
0# |
180#, 220# |
|
P150 |
150 |
00# |
240#, 260# |
Fine sanding |
|
P180 |
180 |
000# |
280#, 330# |
|
P220 |
220 |
-- |
320# |
|
P240 |
240 |
-- |
|
W63 |
0000# |
360# |
|
(P280) |
-- |
-- |
400# |
|
(P320) |
W50 |
00000# |
500# |
Extra Fine sanding |
|
(P360) |
600# |
|
(P400) |
W40 |
-- |
700# |
|
(P500) |
|
(P600) |
W28 |
-- |
800# |
|
(P800) |
|
(P1000) |
W20 |
-- |
-- |
|
(P1200) |
|
