Metallurgy Products one of the best manufacturer representative of corn cob polishing media. Corn Cob Grits are highly demanded in market for its best quality. Corn cobs are also used for polishing of ferrous & nonferrous components polish brass and zinc items as it is tough to clean it due to its softness and avoid damage in polishing. Corn cob polishing media is not as aggressive as the walnut, works good on brass that is not tarnished and just needs a shine before reloading. Leaves a great polished shine when used with our Brass Bright polish. Corn cob polishing media is organic, safe media which is equipped by powdering the hard and woody corn cob rings. They can be incinerated after several uses and are environmental friendly.