炭化ケイ素グリット
Black silicon carbide grit is one of the most popularly used abrasives for use in rock tumblers, boasting an Mohs scale hardness of 9.1. Only diamond and boron carbide grits surpass this material’s hardness rating. This makes them perfect for smoothening rough rocks to an elegant surface finish, particularly when used in combination with aluminum oxide abrasives. Hardness Black silicon carbide abrasives are often considered one of the hardest materials available for use, second only to diamond and boron carbide abrasives. Due to its exceptional hardness and durability, these materials make for great tools when used to tumble and polish different materials like glass, metal, and gemstones. Black silicon carbide […]