Product Description Green Silicon Carbide is produced basically in the same manner as black silicon carbide in a resistance type electric furnace with petroleum coke, quartz sand and other materials. The product has greater purity than black silicon carbide and higher hardness. Application It is suitable for processing hard metal alloys and non-metallic materials that are hard and brittle such as jewels, optical glass or ceramics. It's sharp cuttingcharacteristics also make it useful for soft materials such as copper, brass, aluminum, or magnesium.