Therefore, Black silicon carbide is often greatest used repeatedly, including in a rock tumbler. Only maintain including new coarser grit, and because the media breaks down, it'll develop a "working blend" of particles. Higher hardness, high modulus of elasticity and significant compressive power are required for really hard armour https://www.quora.com/profile/Trevor-Flatcher-2/Innovative-Applications-of-Silicon-Carbide-in-Medical-Devices-Silicon-carbide-SiC-has-emerged-as-a-revolutionary-mate