Sharp Particle Grinding Wheel Sic Powder Black Silicon Carbide for Refractory Materials. High Purity SiC: SiC content >= 98.5%, with low free carbon and impurities for superior performance. Extreme Hardness: Mohs hardness of 9.2, offering exceptional wear resistance for abrasive applications. Chemical Resistance: Resistant to acids, alkalis, and oxidation, ensuring reliability in harsh environments. Customizable Sizes: Particle size and packaging can be customized to meet specific customer requirements. Stable Supply: Daily production exceeds 30 tons, supporting large-scale export demands reliably. Strict Quality Control: AI real-time laser QC and 100% SEM shape scan ensure 99.98% grain consistency. Versatile Applications: Ideal for refractory bricks, casting, ceramics, and metallurgy across various industries.