Crystolon (Silicon Carbide) |
India (Aluminium Oxide) |
Arkansas (Washita, Soft, Hard) White, Black, Translucent |
Diamond Stones |
Waterstones |
Coated Abrasives (Waterproof Sandpaper) |
Coated Abrasives (Waterproof Sandpaper) |
Diamond Compound |
| JIS (Japan) |
CAMI (USA) |
FEPA (Europe) |
Micron Size |
||||
| P100 |
141 |
||||||
| Coarse Crystolon |
P120 |
127 |
|||||
| 120 |
116 |
||||||
| Coarse India |
P150 |
97 |
|||||
| 150 |
93 |
||||||
| Medium Crystolon |
180 |
P180 |
78 |
||||
| P220 |
65 |
||||||
| Extra Coarse Diamond (220) |
Norton 220 |
220 |
60 |
||||
| P240 |
58 |
||||||
| Medium India |
240 |
53.5 |
|||||
| P280 |
52.5 |
||||||
| 50 |
|||||||
| P320 |
46 |
||||||
| Fine Crystolon |
45 |
||||||
| Coarse Diamond (325) |
280 |
43 |
|||||
| P360 |
40.5 |
||||||
| 360 |
320 |
36 |
|||||
| Fine India |
Washita |
P400 |
35 |
||||
| 360 |
29 |
||||||
| P600 |
25.8 |
||||||
| 400 |
23 |
||||||
| Extra Fine India |
Soft Arkansas |
Fine Diamond (600) |
600 |
P800 |
22 |
||
| 20 |
|||||||
| 800 |
600 |
P1200 |
16 |
||||
| Norton 1000 |
700 |
14 |
|||||
| 800 |
P1500 |
12.6 |
|||||
| Hard White Arkansas |
Extra Fine Diamond (1200) |
1200 |
11 |
||||
| P2000 |
10.3 |
||||||
| 1500 |
1000 |
9.2 |
|||||
| 9 |
|||||||
| 1500 |
P2500 |
8.4 |
|||||
| Norton 2000 |
7.5 |
||||||
| Hard Black Arkansas Hard Translucent Arkansas |
Norton 4000 |
2000 |
6 |
||||
| 5 |
|||||||
| Norton 8000 |
3 |
||||||
| 1.2 |
|||||||
| 1 |
|||||||
| 15000 |
0.5 |
||||||
Crystolon (Silicon Carbide) |
India (Aluminium Oxide) |
Arkansas (Washita, Soft, Hard) White, Black, Translucent |
Diamond Stones |
Waterstones |
Coated Abrasives (Waterproof Sandpaper) |
Coated Abrasives (Waterproof Sandpaper) |
Diamond Compound |
| JIS (Japan) |
CAMI (USA) |
FEPA (Europe) |
Micron Size |
Relative Sharpening Comparisons for Norton Abrasive Products
