Corn cobs

Product characteristics

Corn cobs are hard, low density, natural abrasive. Blasting grains are produced from crushed, cleaned and sifted corn cobs. Corn cobs belong to reusable abrasives and feature low impact on the air-blasted surface without damaging underlying material. Corn cob abrasives are 100% natural product and they are free of respirable crystalline silica SiO2.



  • Sharp-edged shape
  • MOH’S hardness 4,5
  • Specific gravity approx. 0,9 g/cm3
  • Bulk density approx. 0,7 g/cm3
  • Packaging: 20/25 kg bags
Corn cobs are used in gentle abrasive blasting and polishing aluminium, jewellery, fittings, electric motors, plastic and stainless steel. Corn cob abrasive is suitable for stripping, deburring or cleaning of light metals like brass, aluminum and others, brick, wood, plastic, cleaning of fire and smoke damage, cleaning of wooden houses before painting, removal of graffiti from wood, stone or brick.

Additional information

Available sizes

GM 100    0-250 µm
GM 40     180-600 µm
GM 30     250-710 µm
GM 20     560-1000 µm
GM 16     1000-1500 µm
GM 12     1500-2000 µm
GM 8        2000-3150 µm
GM 6        3800-4500 µm

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