Non-metallic, high quality synthetic fine abrasive of pure aluminum oxide. Free from quartz and other pollutants.
* 50 μ: Removes potting compounds, oxides and dirt from precious metal frameworks and ceramics
* 110 μ – 150 μ: Ideal for machining gold, semi-precious alloys and NEM alloys
* 210 μ – 250 μ: For machining chrome-cobalt alloys