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Corn Cob is a soft abrasive media for blasting and etching the components’blasted surfaces. It is suitable for cleaning delicate surface, cleaning automobile super charges and turbine blades, removing unwanted flash residue produced during the moulding process from semi-conductor integrated circuit package lead frames without damaging or pitting the package surface. It can also be used in power generation station, turbine overhaul factories and the aerospace industry.
Item |
Walnut Shell |
Corncob |
Density |
1.28g/cc |
1.15g/cc |
Hardness |
2.5-3.0 MOH |
2.0-2.5 MOH |
Fiber Content |
90.4 |
90.9 |
Water Content |
8.7 |
8.7 |
PH |
3-6 |
3-6 |
Available sizes
Grit No. |
Size micron |
Grit No. |
Size micron |
5 |
5000 ~ 4000 |
16 |
1180 ~ 1060 |
6 |
4000 ~ 3150 |
20 |
950 ~ 850 |
8 |
2800 ~ 2360 |
24 |
800 ~ 630 |
10 |
2000 ~ 1800 |
30 |
600 ~ 560 |
12 |
2500 ~ 1700 |
36 |
530 ~ 450 |
14 |
1400 ~ 1250 |
46 |
425 ~ 355 |
Grit No. |
Size micron |
Grit No. |
Size micron |
5 |
5000 ~ 4000 |
24 |
800 ~630 |
6 |
4000 ~ 3150 |
30 |
600 ~ 560 |
8 |
2800 ~ 2360 |
36 |
530 ~ 450 |
10 |
2000 ~ 1800 |
46 |
425 ~ 355 |
12 |
2500 ~ 1700 |
60 |
315 ~ 250 |
14 |
1400 ~ 1250 |
80 |
212 ~ 180 |
16 |
1180 ~ 1060 |
100 |
170 ~ 132 |
20 |
950 ~ 850 |
120 |
125 ~ 100 |
Othe size also available upon request.
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