The Corn Cob Blasting Media maintains wood texture and removes stains during restoration. Contact Blastgrit to purchase now! Corn cob grit stands itself as a key actor in the growing field of environmentally friendly abrasives materials. For a range of surfaces, this biodegradable and non-toxic blasting medium offers an effective yet gentle cleaning option. Let’s investigate this environmentally friendly abrasive alternative that derives from nature’s abundance.