high purity green silicon carbide making abrasive grinding wheels making precise ... and abrasive area, such as making vitrified bonded grinding wheels, resin bonded tools, to process cast iron, hard alloy, tatium alloy ... 24, 30, 36, 40, 46, 54, 60, 70, 80, 90, 100, 120, 150, 180, 220.Microgrit Sizes Available:F240, 280, 320 ... 2001, FEPA-Standard 42-1:2006 or ISO 8486-1. High Purity Green Silicon Caribide