Grit and Powder Sizing - Table of Grit Sizes

GRIT SIZING FOR

ALUMINUM OXIDES
AND
SILICON CARBIDES
Grit / Sieve Size Inches / mm
(avg.)		 Microns
(avg.)
12 0.063 / 1.600 1600
16 0.043 / 1.092 1092
20 0.037 / 0.939 940
24 0.027 / 0.685 686
30 0.022 / 0.558 559
36 0.019 / 0.482 483
46 0.014 / 0.355 356
54 0.012 / 0.304 305
60 0.010 / 0.254 254
70 0.008 / 0.203 203
80 0.0065 / 0.165 165
90 0.0057 / 0.144 145
100 0.0048 / 0.121 122
120 0.0040 / 0.101 102
150 0.0035 / 0.088 89
180 0.0030 / 0.076 76
220 0.0025 / 0.063 63
240 0.0020 / 0.050 50


Grit and Powder Sizing - Table of Powder Sizes

SIZING FOR

ALUMINUM OXIDES
AND
SILICON CARBIDES

IN MICRONS (um)
(Based on the FEPA standard)
Powder Size Microns (Avg.)
280 37
320 29
360 23
400 17
500 13
600 9
800 7
1000 5
1200 3