Natural abrasive corn cobs without scratch metal parts
Product Description
Corn Cobs can be used as an effective blasting media for a range of applications. Corn Cobs are a softer material similar in nature to Walnut Shells, but without the natural oils or residue. Corn Cobs contain no free silica, produces little dust, and comes from an environmentally friendly, renewable source.
Applications include Electrical Motors, generators, machinery, fiberglass, wooden boat hulls, log homes and cabins, deflashing sensitive metal and plastic parts, jet engines, heavy equipment, electrical substations, brick houses, aluminum molds, and turbines.
Corn Cobs unique properties make it suitable for polishing, deburring and as a vibratory finishing media. It can be used for cartridge and casing polishing, plastic parts, button rivets, nuts and bolts. When used in vibratory applications, it will not scratch aluminum or fine brass parts. Corn cob polishing media works well in both large and small machines.
Technical Parameters
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Corn Cob Grit Specifications |
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Grade |
Mesh (the smaller the mesh number, the coarser the grit) |
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Extra Coarse |
+8 Mesh (2.36 mm & larger) |
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Coarse |
8/14 Mesh (2.36-1.40 mm) |
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10/14 Mesh (2.00-1.40 mm) |
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Medium |
14/20 Mesh (1.40-0.85 mm) |
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Fine |
20/40 Mesh (0.85-0.42 mm) |
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Extra Fine |
40/60 Mesh (0.42-0.25 mm) |
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Flour |
-40 Mesh (425 micron & finer) |
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-60 Mesh (250 micron & finer) |
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-80 Mesh (165 micron & finer) |
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-100 Mesh (149 micron & finer) |
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-150 Mesh (89 micron & finer) |
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Product name |
Elemental Analysis |
Typical Properties |
Proximate Analysis |
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Corn Cob Grit |
Carbon |
Hydrogen |
Oxygen |
Nitrogen |
Trace element |
Specific Gravity |
1.0 to 1.2 |
Protein |
3.0% |
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44.0% |
7.0% |
47.0% |
0.4% |
1.5% |
Bulk Density (lbs per ft3) |
40 |
Fat |
0.5% |
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Mohs Scale |
4 – 4.5 |
Crude Fiber |
34.0% |
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Solubility in Water |
9.0% |
NFE |
55.0% |
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pH |
5 |
Ash |
1.5% |
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Solubility in Alcohol |
5.6% |
Moisture |
8.0% |
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