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Corn Cob Abrasive

Silk Road Abrasives’ Corn Cob Grit is a free-flowing and environmentally friendly abrasive made from hardened corn kernels. It’s a completely natural and eco-friendly product, serving as a renewable biomass resource. When used as a tumbling media, it can simultaneously absorb oils and dirt from dry parts without affecting their surface. Corn Cob Grit serves as a safe blasting media and is suitable for delicate parts blasting.

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Physical properties
Material: Corn cob
Color： Yellow brown
Shape:  Grit
Hardness： Mohs 2.0-3.2
Bulk density: depending on grain size
Typical chemical analysis
Carbon 44%
Hydrogen 7%
Oxygen 47%
Nitrogen 0.40%
Available grain sizes
(Average grain size)
Abrasive Grain Sizes: 6#, 8#, 10#, 14#, 16#, 18#, 20#
Grades Available:  These are US Standard Mesh sizes: 6/8 mesh, 8/14 mesh, 10/14 mesh, 14/20 mesh, 20/40 mesh, 40/60 mesh, 40/80 mesh, 40 mesh & finer, 80 mesh & finer, -50 + 100 mesh, and -100

Benefits and Advantages

  • Cost-Effectiveness: Corn cob is a relatively inexpensive abrasive media that can be reused, leading to substantial long-term cost savings.

  • Environmentally Friendly: Our corn cob particles are derived from natural corn cobs, making them biodegradable, non-toxic, and silica-free, aiding your company's compliance with today's stringent environmental regulations.

  • Safety: Corn cob blasting and polishing processes are non-toxic, producing no dust or pollutants, contributing to a safer environment for your employees.

  • Efficiency: Corn cob abrasive blasting offers a more efficient dry finishing process. You can avoid the extra time-consuming steps associated with wet blasting.

Application areas (including but not limited to)

  • Deburring

    Deburring, deflashing, polishing, and finishing of metal stampings, die-castings, and molded plastics.

  • Jewelry polishing

    Jewelry polishing

  • exfoliating scrubs

    Abrasives in cosmetics, such as exfoliating scrubs, and other beauty products. Silica-free soft blasting for cleaning carbon, oil, and corrosive residues from cylinders, pistons, and other engine components.

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