- Hard grain, sharp edges, resistance, for fast and intensive sanding. - For coating removal after pouring. - For the treatment of metal surfaces. - Granulometry: 250 - Version: coarse sand - Material99.6% aluminum oxide (higher corundum) al 2 o 3. - Granulometry210—297 µm. - Color: white. - Dentaurum refined white corundum meets the requirements of the trade union and the work safety authorities. **For further product information, please contact Chat Support**